Juggling multiple murders the same week, the details of one victim's past throws everything the team thought they knew about their killer into question, as legal limitations get in the way of the investigation, and Detective Beck Nash sees something in the killer's previous murder sprees no one has ever seen before.

21 Weeks is a fast-paced police procedural thriller series that ramps up in intensity with each victim that falls until its explosive final week.

Warning: This series is about a serial killer. There will be violence. There will be language. There will be other adult things. It is intended for a mature audience.