When Mark Easterbrook, Ariadne Oliver, and the eerie trio at The Pale Horse cross paths, murder, fear, and deception entwine in a chilling dance of death and dark suspicion.

A grieving woman accepts a governess post at a secluded estate, only to face sinister forces, buried secrets, and a haunting tied to the chilling silence of its halls.

A man becomes a machine’s prisoner inside his own mind when science dares to control human violence through brain implants - until the system learns to crave itself.