A dying man in prison for a murder committed by their serial killer, the team must search for a way to free him, while their current murder is especially troubling for everyone, and, to keep her adopted family safe, Detective Beck Nash proves there is nothing she won't do.

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.