Andy must make peace with her past when she's forced to work a bank robbery case with the newly promoted Swarek on her first day back at 15 Division. The investigation leads them to a violent ex-convict determined to get his old life back at any cost. Meanwhile, Nick and Gail help a distraught woman who offers Nick some perspective on his life with Gail, and Frank drops a bombshell on Noelle.

Andy is ready to get away for a much-needed long weekend when she and Gail, working a routine highway spot check, discover a teenage boy bound and gagged in the trunk of a car. The two find themselves plunged into a messy tale of young love gone wrong and must try to save the boy from making a tragic mistake. Meanwhile, Swarek, Oliver and Chris are hot on the trail of a gunman who shot a 16-year-old who may have gang connections.