Laura dodges her birthday while probing the murder of a sailor. Billy is forced to work alongside a headstrong naval investigator. Kathie Lee Gifford guest stars as Dr. Carlin, a psychiatrist that assists with the case.

When a murdered club kid is tied to a string of Diamond District jewel heists, Laura and the team have to stop a robbery crew to solve a murder. Meanwhile, Jake's violation of divorced-parent etiquette forces Laura to reevaluate the seriousness of her relationship with Tony.