It is deep winter and the darkness is unending. A private detective named Jaycob Eklund has vanished and Charlie Parker is assigned to track him down. Parker's employer, Edgar Ross, an agent of the Federal Bureau of Investigation, has his own reasons for wanting Eklund found.
Former NYPD detective Charlie Parker, teetering on the verge of madness after the unsolved slayings of his wife and daughter, finds his old instincts for survival, compassion, love, and killing reawakening when he agrees to help his old partner track down a missing girl.