Forensic expert Cat Ferry is called in by the New Orleans police department to investigate a series of murders, and, when old, bloody footprints are discovered in the carpet fibers of her childhood bedroom, she is faced with the trauma of her father's murder years earlier and demons from her past.

Life's tough for Dexter Morgan. It's not easy being the world's only serial killer with a conscience, especially when you work for the Miami police. To avoid suspicion, Dexter's had to slip deep into his disguise: spending time with his girlfriend and her kids, slowly becoming the world's first serial killing couch potato. Then a particularly nasty psychopath starts cutting a trail through Miami - a killer whose twisted techniques leave even Dexter...

"When a desperate woman comes to Daniel Pitt seeking a lawyer for her boyfriend, Rob Adwell, Daniel is convinced of the young man's innocence. Adwell has been accused of murder and of setting a fire to conceal the body, but Daniel is sure that science can absolve him--and Miriam fford Croft is the best scientist he knows. Miriam connects Daniel with her former teacher Sir Barnabas Saltram, an expert in arson, and together, they reveal Adwell's innocence...

Dr. Catherine Cordell, recovering from a brutal attack and hiding her fear behind a mask of professionalism, is the only one that can stop a psychotic killer known as "The Surgeon," due to his horrific methods of murder, before he kills again.