Eve Brenner

Valentine’s Day is here again which means “Juliana” and “Clive” are back, however, things get worrisome when Claire starts sensing Phil may be more into Juliana than her! Elsewhere, Jay goes from feeling disappointed to scared when Gloria’s visiting sister, Sonia, becomes a larger deterrence for a romantic evening with Gloria than he thought. And, Mitchell and Cameron get themselves in a very precarious situation with their good friend Anders.

When Jane's brother-in-law, Danny Ruskin (guest star Kevin Rankin) returns to town and gets mixed up in a murder investigation, Jane must revisit his shady past and come to his aid despite personal reservations.

Tensions are high as the squad investigates a possible copycat of the legendary Boston Strangler ... or could it be the Boston Strangler himself? Meanwhile, Jane butts heads with her new boss, Lieutenant Grant (recurring guest star DONNIE WAHLBERG - Boomtown, Righteous Kill), who just happens to be from the same neighborhood where Jane grew up. And Maura gets into trouble with her habit of diagnosing everyone - including her date.

Frankie is tasked with being at her mom Pat's (recurring guest star MARSHA MASON) beck and call when she has to stay for a few days at the Heck house after coming down with an ailment. Meanwhile, just when it looks like Sean is about to ask Sue out on a date, Sue nervously blurts out that maybe they should both try to set each other up on a date with one of their friends; and Axl and Brick ponder what it is exactly that Mike does at the quarry.

Kevin has a colonoscopy. Later, Pete suspects that his grandpa (Robert Wagner) is adulterous; and the guys ask Rafi to settle a dispute for them.