After witnessing a domestic dispute, Brett and Violet decideto take the investigation into their own hands. Mouch vetsTruck 81's new firefighter. Herrmann relies on something new toaid him on the job.
Burgess works an extra shift at the 13th District and getscaught in the middle of a drive-by attack on refugees. The teamworks together to track down the shooter and uncover the truemotive behind the attack.
The stabbing of a star punter coming home from class devastatesthe University of Northern Colorado football team; what seemslike a random tragedy unfolds as a calculated takedown afterthe investigation exposes jealousy within the team.
With the Traitors having so far avoided detection, theFaithful finally have a chance to strike back. The treacheroustrio starts to turn on each other and faces a difficult dilemmathat could backfire.
In episode one, Lana is back from secondment in Estonia,training Ukrainian bomb disposal teams, but has not yetreturned to active duty. She is giving a routine talk tosecurity officers from major financial institutions about theissues surrounding bomb centred terrorism, when there is abomb attack in the heart of the city. Lana is closest to theincident, but is she ready to take it on?
The team investigate the body of a woman found in a flat afterbeing dead for a year. As they seek to find out the truth ofher identity and what happened to her, they must draw on alltheir forensic and pathology knowledge to solve the case. Evenif the world had forgotten her, the Lyell are determined shemust get justice.