Forever in Blue: The Fourth Summer of the Sisterhood – Ann Brashares (2007)

Forever in Blue: The Fourth Summer of the Sisterhood by Ann Brashares, published in 2007, is the final installment in the acclaimed Sisterhood of the Traveling Pants series. Continuing the journey of four lifelong friends – Lena, Carmen, Tibby, and Bridget – this novel follows them through a summer that challenges their sense of self, friendship, and love. As they navigate the uncertain transition into adulthood, the symbolic pair of magical jeans travels with them, holding the thread of their bond even as life pulls them in different directions.

Plot Summary

The summer arrived not with a bang but with quiet unraveling. What had once been ritual – the girls gathering at Gilda’s to pass the Pants – now felt like a routine echo of past summers, dulled by distance and change. The Pants, once magical, sat in the middle of their triangle of friendship, waiting. But something was missing. Carmen was missing. And perhaps, more than that, they were all a little missing from each other.

Lena stayed quiet, observing the others. She was returning to Providence for summer classes at RISD, trying to draw herself back into focus. Bridget, unpredictable and filled with restless energy, was flying to an archaeological dig in Turkey. Tibby was heading to film classes and a job in New York. And Carmen, once their glue, had sunk into a strange silence, cocooned in the life she had built at college, away from the Sisterhood.

Carmen, once vibrant and loud, found herself fading in her freshman year. Her mother had moved on – new house, new life, new family – and Carmen couldn’t shake the feeling that her place in that world had disappeared. At Williams, she drifted until Julia, a dazzling and commanding presence in the theater world, pulled her in. Grateful and invisible, Carmen clung to Julia’s light, becoming the backstage girl in every way. She built sets, fetched coffees, and stitched costumes. And in doing so, she forgot the Carmen who once demanded the spotlight.

Bridget, too, was hiding. Not from people, but from stillness. Her boyfriend Eric, the one who kissed her and kept her up all night before exams, had made his own plans – a summer job in Mexico, time with family, and no space for her in it. So she ran, signing up for the Turkey dig without a second thought. She arrived in a landscape cracked with history and dry heat, unready to slow down. But there, in the quiet work of brushing soil from pottery shards, in the simple kindness of her roommate and the wisdom of her professor, she began to touch something old and tender within herself. She wrote long, honest letters to Eric and watched herself soften.

Tibby’s world shifted too, more than she was ready for. Her relationship with Brian had grown, inch by inch, from friendship to love. He was steady, devoted, and just a train ride away. They kissed, touched, pressed against each other in the safety of her dorm. And then, one night, it happened. Their bodies moved ahead of their words, and the condom broke. Fear took root in her chest – fear of pregnancy, of being unready, of crossing a line she hadn’t planned to. Tibby shut down. She pulled away from Brian, turned inward, and let her love for him be eclipsed by terror.

Lena stayed in her studio, surrounded by stillness and the rustle of charcoal on paper. In class, a new student arrived – Leo, with unruly curls and a reputation for brilliance. He didn’t look at her. He didn’t glance, didn’t stare, didn’t even see her. And so, naturally, Lena couldn’t look away. She studied his hands, his easel, his freckled skin. He became a new kind of muse, not because he noticed her, but because he didn’t. When he finally did, it was with respect, with calm curiosity. He invited her to pose for him, and she said yes.

Their sessions together were quiet and close. Leo saw her in ways no one had, through the prism of her face, her eyes, her quietness. And Lena felt her guard slipping. She thought of Kostos, of the boy who had broken her heart, and of the girl who had once loved with abandon. She didn’t want to love Leo, not entirely, but she wanted to feel open again, to be seen without vanishing.

Back in Vermont, Carmen arrived at the Village Theater Festival with Julia, still in her shadow. They shared a room, shared costumes, shared air. Carmen blended in until she began to notice the imbalance – how Julia spoke for both of them, how she craved the spotlight while Carmen handed it to her. Slowly, Carmen started to pull away. She auditioned, hesitantly, for a part in a show, and was cast. She began to feel the warmth of applause again – not Julia’s, not borrowed, but her own. She was still Carmen, even when she had forgotten it.

In Turkey, Bridget unearthed more than pottery. She wrote home, truly wrote, to her father and her twin brother Perry. She asked questions they hadn’t spoken aloud in years. About their mother. About grief. About silence. Bridget, who had always run from pain, turned back and faced it. She flew home with a quiet heart and stood before her brother, asking him what he wanted from life. She stood before her father, asking why he had stopped trying. For once, she didn’t need to leave to feel strong.

Tibby, watching her fear bloom into distance, finally reached out to Brian. She apologized, awkward and unsure, and told him what she felt. He forgave her before she finished. Together they talked, held hands, and went to the clinic. They weren’t pregnant. But that didn’t undo the feelings. It just gave them space to move forward, to talk honestly about what it meant to be in love, to grow up, to be scared and still brave.

Lena, painting Leo, finally stepped out from behind the canvas. She kissed him, then chose to walk away. It wasn’t about rejection – it was about knowing what she wanted, and letting it be hers to decide. She returned to herself, a little more whole, a little more open.

Carmen, Bridget, Tibby, and Lena found their way back to each other by midsummer, on a rocky cliff in Greece. The Pants, faded and patched, were passed once more. They sat with their legs dangling into the sea, wearing each other’s clothes, touching shoulders, touching time. The sky and sea were the same soft blue, indistinguishable at the horizon. They sat in silence, not because there was nothing to say, but because everything was understood. The Pants had been their compass. But now, they could let go.

They weren’t just four girls bound by a summer ritual anymore. They were women, in different cities, loving different people, living lives that didn’t always intersect. But somewhere between sea and sky, past and future, they were still together. Always had been. Always would be.

Main Characters

• Lena Kaligaris – Lena is a quiet, introspective artist who grapples with her emotions through her art. Her summer is spent exploring desire, vulnerability, and the rekindling of romantic curiosity, particularly when she meets a fellow artist named Leo. Lena’s arc reveals her struggle with the intersection of emotional availability and artistic identity, all while she continues to mend from past heartbreaks.

• Carmen Lowell – Once the glue of the group, Carmen now feels invisible and disconnected from herself. At college, she slips into a background role both socially and personally, becoming overly reliant on a new, charismatic friend named Julia. Carmen’s journey revolves around reclaiming her sense of worth and confronting the fear of fading into irrelevance.

• Tibby Rollins – Tibby, the witty and observant filmmaker, is in a serious relationship with Brian, but her insecurities surface after a pregnancy scare that leaves her emotionally shaken. Tibby’s narrative is one of fear, love, and the consequences of growing too fast. Her character questions how love and independence coexist.

• Bridget Vreeland (Bee) – Energetic and free-spirited, Bee signs up for an archaeological dig in Turkey to distract herself from a relationship with her boyfriend Eric, who has his own summer plans. Her personal conflict lies in reconciling her independent nature with the vulnerability of love and the brokenness in her family, particularly her distant twin brother.

Theme

• Change and Growth – This novel is a meditation on transformation. As the girls enter adulthood, they each face identity crises that force them to reconsider their priorities and relationships. The contrast between childhood certainties and adult ambiguity is central.

• Female Friendship – The Sisterhood remains the emotional core of the novel. Even as the girls drift apart physically and emotionally, the Pants symbolize a tether that binds them. Their individual struggles are magnified by their need for and distance from each other.

• Loneliness and Belonging – All four characters experience profound isolation, even when surrounded by people. Whether it’s Carmen’s invisibility, Lena’s emotional hesitation, Tibby’s fear of intimacy, or Bridget’s strained family ties, each girl must find her own way back to connection.

• Desire and Identity – The tension between who the girls were and who they are becoming is often expressed through romantic and sexual experiences. These relationships force them to confront desires they don’t always understand, ultimately shaping their evolving selves.

• Symbolism of the Pants – The Traveling Pants are more than just clothing. They are a vessel of memory, a ritual of continuity, and a symbol of love. They represent the shared identity of the Sisterhood and serve as a stabilizing force as each girl navigates upheaval.

Writing Style and Tone

Ann Brashares writes with lyrical clarity and a deeply emotional undercurrent. Her prose captures the internal monologues and external interactions of each girl with empathetic precision. She alternates viewpoints between the four protagonists, giving readers access to their fears, hopes, and introspections. Brashares’s narrative voice is both gentle and sharp – sensitive to the emotional reality of young adulthood, while not shying away from its complexity.

The tone of the novel is wistful and contemplative, yet grounded in the intensity of the characters’ real experiences. There’s a sense of melancholic beauty in how Brashares portrays the dissolution of childhood innocence and the uncertain bloom of adulthood. She deftly balances humor, sadness, and sincerity, allowing the reader to feel the full spectrum of what it means to grow up and sometimes grow apart.