A body at a construction site is that of a teenage boy beaten to death with a hammer; Nick investigates an apparent gunshot victim found in her house.
After giving up everything in her climb to the top, a corporate lawyer is passed over for a promotion, causing her to have a meltdown.
A man who agreed to testify in one of Sammy's cases is murdered; John and Tang babysit a documentary film crew; Lydia must serve as shift supervisor for the day.
Brian wonders if his relationship with Bridget is on the right track; Natasha shows preference towards Brian over Dave; Adam breaches his celibacy rule by going on a date with Stephanie; Nicole thinks Jamie is no longer gay.
Brian takes a new job; Dave and Deena come to an unusual child custody agreement; Adam's friendship with Summer might be detrimental to his future career. Nicole also finds a way to work through her grief.