Years after a series of random murders took place in 2017, book author Michael Lane suddenly begins receiving haunting calls from the unknown. Instead of focusing on the encore to his successful debut book, he becomes obsessed with this mystery and spirals out of control as he unravels each victim caught in the web of a sadistic killer.

A series of cryptic phone messages and visions haunt a writer while he struggles to finish a novel. As they increase in intensity, he loses his grip on reality, eventually obsessing over an old mystery that will lead to horrific revelations about both him and his loyal wife.