A WICKED MERCY: He's in your home and you don't even know it. Not everything is as it seems in this sleepy Yorkshire village. DI Drew Haskell is a no nonsense detective recovering from a devastating personal loss. When a number of young people turn up dead, Haskell believes a murderer is on the loose but his boss won't authorize an investigation. Breaking the rules is Haskell's only chance at solving this case. Teaming up with criminal profiler Harriet Quinn, Haskell opens up a can of worms that triggers a deadly sequence of events. Can they stop the killer before he finds another victim?

DEATH IN PIECES: He sends you the clues and leaves his victims in pieces. When Harriet receives the random pieces of a jigsaw puzzle, she knows they hold the key to identifying a sadistic killer's next victim. Racing to identify the target, she realizes that she has been chosen as Puzzle Master in a deadly game. Teaming up with Drew, she must put personal differences aside to save a life.

SPLINTER THE BONE: He knows you're alone and he wants to be with you. When a young girl is found washed up at the base of the cliffs, the police suspect human trafficking. Drew and Harriet are called on to investigate a series of seemingly unconnected, and random, crimes. This may turn out to be their most challenging case yet.