When the Seattle Police Department bumbles the investigation of a serial killer who has brutally taken the lives of five women, Detectives Allie and Jeremy Branson take over the case. The husband and wife team work out of the King County Sheriff Department's Violent Crime Unit and have one of the best track records in the country. But this time around, the Bransons are tested to their limits. Will they catch "The Call Girl Killer," or will the sadistic murderer continue his spree of horrific crimes unchecked?