
Ambitious young cops try to prove themselves in their high-stakes careers, in which the smallest mistake can have deadly consequences. At the core of the close-knit group is perfectionist Andy McNally (Missy Peregrym), whose father was a homicide detective before he burned out on the job. The series follows Andy and her four colleagues -- Dov Epstein, Gail Peck, Traci Nash and Chris Diaz -- as they experience the trials, triumphs and tribulations of police work, as well as its effect on their personal lives.

Andy worries her personal problems are affecting her professionally when a woman is brutally attacked on her watch; Luke's erratic behavior leads to him being kicked off a case.

15 Division is placed under quarantine when a man collapses from a mysterious illness; Dov's date with an attractive bomb technician ends unexpectedly.

Gail and Dov work with Swarerk as they try to protect an informant from a dangerous gang; Chris and Andy participate in competitive equine training.

Andy and Swarek come across a car accident while pursuing a child and his kidnapper; Chris fights with Dov over an indiscretion; Andy worries life is passing her by.