A beautiful Au Pair’s untimely death puts Laura and the team on the hunt for a murderer and into the middle of a female escort ring. Meanwhile, the precinct spirals into a frenzy when a new detective named Frankie Pulaski is sent from headquarters to investigate alleged indiscretions between Jake and Laura.

When a former beauty queen is stabbed to death, Laura's ex-fiance becomes the prime suspect.

The detectives probe the murder of an intern working at a trendy tech startup. Laura struggles to make time for intimacy with her new beau.

Laura helps investigate a sailor's murder, and she uses the case to avoid celebrating her birthday. Meanwhile, Billy must team up with a hard-nosed naval investigator.

The team go inside the world of NCAA basketball while investigating the murder of a teacher's aide, and Laura must balance this case with a huge personal crisis.

A club patron's death is linked to jewelry heists, so the detectives must halt a thievery ring in order to solve a murder. Meanwhile, Jake breaks divorced-parent protocols, leading Laura to reexamine her involvement with Tony.

A young filmmaker is murdered, and an inexperienced detective causes problems with the investigation as Laura's team search for the killer.

As Jake lies in critical condition, Laura and the team hunt his shooter, an assailant armed with a high-tech new weapon.