During an investigation into a fatal shooting, the team crosses paths with Demonté Green, a smooth-talking businessman who may have been the intended target. Also, Deputy Inspector Haywood tries to help a troubled teen, and Detective Killian finds himself at odds with his girlfriend, Corinne, after she hires an ex-con to work at their new bar.

When a prisoner serving a life sentence escapes, the 7-4 teams up with the U.S. Marshals to track down the convict before he finds the cop who put him away: Deputy Inspector Regina Haywood. Also, Officer Quinlan struggles with her living situation.