About true-crime writer David Neff, who, in investigating the strange murder mystery of a recluse known as "the man with a thousand mittens," quickly becomes obsessively embroiled in a chain of serial murders. The closer Neff comes to uncovering the true identity of the Man from Primrose Lane, the more he discovers his own dangerous connection to the series of crimes. He realizes in order to end the cycle of death and capture the killer he must look outside the parameters of what he believed to be true about time and space.