While Maura is away at a Medical Examiner's convention, Susie uses her skills to help Jane solve the perfect murder. The son of an old friend visits Korsak which brings up unfinished business.moreless
A wealthy woman with terminal cancer and only months to live is murdered. Maura meets someone who might be Mr. Right while teaching a class.
The team investigates when a man is found murdered inside his doomsday fallout shelter. Jane loses investigative focus when she discovers Korsak is considering retirement and Frankie is hiding a secret.
A killer uses online ads to find murder victims. Meanwhile, Jane discovers it's difficult to keep her pregnancy a secret.
A traumatized, blood-covered woman arrives at the station, claiming she killed someone but forgetting the identity of the victim. Elsewhere, the team mourns the loss of a friend and colleague.
Season 5 opens with the murder of a female jogger. Meanwhile, Jane tries to hide her pregnancy from her nosy mother, and Maura and Frankie face the fallout from their kiss.
When a senator's daughter is murdered, Homeland Security steps in. In a rush to solve the case, the squad could be putting national security at risk. Tommy starts to slip back into bad old habits which results in a fight with Frankie. Jane has some news that could change her life forever.moreless
The death of a food truck chef points to poisoning but too many questions still remain. Tommy's big plans excite Angela. Hope takes a big step to make amends with her daughter.
As the squad investigates the brutal and mysterious stabbing death of a musician, they find out the victim had something to hide. After more than a year, Frank Sr. returns with some shocking news.moreless
Jane and Maura try to catch a kidnapper who dresses as a clown. As things heat up between Jane and Casey, they must face the realities about their relationship. Maura deals with an emotional problem.moreless
The team investigates a violent homicide with conflicting evidence. Maura must deal with her recently paroled grandfather. Jane and Casey's big decision is career versus relationship.
The team investigates the death of a mock trial advisor. Jane's concerned Angela is hiding financial problems, especially given her current obsession about selling brownies. Tommy finds a lawyer to settle his claim.moreless
A late night amateur drag race that turned deadly has Jane suspecting a cover up for drug trafficking but Lt. Martinez isn't offering much help.
While preparing to make a presentation about Charles Hoyt at a law-enforcement symposium, Jane and Maura find themselves up against another serial killer.
Frankie Jr. becomes caught up with a murder case involving a youth hockey league. At odds with Hope, Cailin ask Maura if she can stay at her house but Maura soon discovers she is unprepared to deal with a teenager.moreless
Jane's preoccupied with Lt. Martinez's favoritism for the drug unit rather than on the case at hand involving the hit and run of a popular high school teacher.
After spilling hot coffee on a stranger, Jane's day goes from bad to worse when a video of the incident goes viral. The team investigates a murder that involves a conspiracy theorist.
Hope provides some insight for Maura as Paddy's murder trial begins. But when Maura and Jane figure out a secret about Paddy and Hope, she must decide which side she's on. Korsak talks about Cavanaugh's tragic past.moreless
With the evidence piling up, Jane tries to both protect Maura and investigate when Maura's date turns up dead and Maura can't remember anything about their evening together.
While TJ's christening is marred when a body is found in the church, Lydia's fiancé threatens to take custody of TJ which doesn't set well with Jane. Department budget cuts has everyone on edge.moreless
Jane's annoyed when a former colleague returns as the new lieutenant of the drug unit. But her investigation into the murder of a journalism student forces her to deal with him. Maura investigates Hope when Cailin comes to her with some information.moreless
Family issues and politics take center stage after a community parade turns deadly. Maura struggles with her own family issues. Casey makes a surprise visit along with some shocking news.
Hope comes to Maura with an apology and to ask a favor while Jane worries about Casey's upcoming spinal surgery. Tommy shows off baby T.J. but is soon overshadowed when a building collapses and traps loved ones inside.moreless
Jane and Maura work to track down the killer of a man stabbed during his alma mater's car wash fundraiser. Surprising news brings Frost's mother to town and Casey bumps into Jane.
When a microbrewer is murdered, the virtual world and real world meet head-on. Jane and the rest of the team mentor underprivileged teenagers. Angela starts a new romance.
The team investigates when a suicide may not be how it appears. Frost decides to review an old murder case. Angela's new romance isn't a secret anymore.
When a man dies from poisoning after eating breakfast in the Division 1 Cafe, Jane and the team search for the source. Korsak meets up with one of his ex-wives. Tommy wants proof that he's the biological father when Lydia returns to take back the baby.moreless
Jane and Maura investigate the death of a woman who is found inside a statue. The squad gets a new homicide detective. After disappearing from Boston, Dennis returns to woo Maura back. Lydia goes into labor.moreless
A boy band star that Jane and Frankie grew up with returns for a show and ends up murdered. Jane and Maura try to figure out whether it's time to tell Angela the truth about Lydia's pregnancy, especially since Angela is planning to throw a baby shower.moreless
The latest investigation for the detectives involves a bride who was murdered immediately preceding her nuptials. Angela, Frankie and Frost focus their attention on Jane's new neighbor.