Dexter is a forensic expert in blood patterns who works with the Miami Police Department. He is also a serial killer, who kills people that the police can’t bring to justice. He has to hide his double life from his sister, his girlfriend and his co-workers. He is intrigued by a killer who has found a way to kill girls without leaving blood behind.

Being wrapped up in preparing for his next victim, Dexter finds out that the Ice Truck Killer is aware of Dexter’s dirty little secret.

Dexter’s on the trail of a recently released murderer who plans to kill again when he’s sidetracked by the Ice Truck Killer’s latest crime – a cut-up hooker found in a hockey ice rink.