Swarek teams with his training officer to solve an old case.
When human bones found in a ravine open up a 15-year-old missing persons case, Swarek reunites with his old training officer to solve the case. In the process, Swarek gets a closer look at his mentor and must decide whether he wants to continue to follow in his footsteps.
It's Friday the 13th and everyone at 15 Division is prepared for a night of pranks and superstition - but it's no joke when Marlo and Gail get called to a downtown ravine and discover human bones. As the sun goes down and the bones are identified, Swarek realizes it's a 15-year-old missing persons case he worked on with his old Training Officer, Charlie Fitzgerald.
Andy and Officer Cruz butt heads when forced to make a crucial decision.
Andy is partnered with Swarek's new girlfriend, Officer Marlo Cruz. When they come face-to-face with an out of control EDP [Emotionally Disturbed Person], their differences are put to the test and one of them has to pull the trigger.
When Andy is forced to ride with Swarek's new girlfriend, Officer Marlo Cruz, they butt heads over different approaches to the job. But when they come face- to-face with an out-of-control EDP [Emotionally Disturbed Person], their differences are put to the test. Meanwhile, the rest of 15 Division is on the hunt for an armed burglar after a string of ATM robberies.
The officers of 15 Division are still reeling in the aftermath of the unexpected death of one of their colleagues. When they discover that a laptop has been stolen containing sensitive information, they set out to tie up several of open cases and discover a police informant who might have been compromised.
The officers of 15 Division struggle to come to terms with their fallen colleague and get back to work patrolling the streets. And when they discover that a police laptop containing sensitive information has been stolen they set off on a hunt to recover the computer and prevent any dangerous fallout. Andy, Nick and Swarek eventually uncover a drug informant who may have been compromised by the leak - and decide to see the deal through in order to protect the man's life.
While answering a domestic disturbance call, Andy's personal life is turned inside out when the social worker on the scene turns out to be her estranged mother. While Andy is forced to deal with her issues as she works alongside her mother, Swarek, Nick, Chris and Gail track down the desperate mother in the case.
Andy's personal life turns upside-down when she's called to a messy domestic case when the social worker on the case turns out to be her long- estranged mother Claire, a woman who abandoned Andy and her father 15 years ago. Forced to work with the woman who deserted her, Andy begins dissecting the secrets of a family in turmoil. While Sam, Nick, Chris, and Gail race to find a desperate mother who has fled with her two children, and who is about to make a tragic mistake.
When Traci and Andy are sent out on an undercover training exercise, they stumble upon a young woman who is about to die of an overdose. Meanwhile, Dov finds himself on a “ride-along” with a drug dealer and old friend of his deceased brother. Back at the station, Chris and Gail deal with a teenage boy they found tied up at a graveyard; sifting through the wreckage of their relationship, to try to get to the bottom of a bullying situation.