A killer uses online ads to find victims; Jane discovers that it will be difficult to keep her pregnancy quiet.

A security guard foils a robbery when he kills one of the robbers, despite being wounded himself. Jane and Maura work together to solve the case after the search for the robber's accomplice raises some puzzling questions. Jane continues her quest to protect Maura and Angela. But is the price too high?

After a student is gunned down in broad daylight, the investigation reveals she had more than a few secrets. Meanwhile, Jane’s mother Angela gets into a spat with her father over the car.

A notable county prosecutor is arrested for murder; when Angela hears that Maura is planning to meet Jack's daughter, she sets out to educate Maura about the interests of children today.

After Jane jumps from a bridge to save a prosecutor suspected of his murdering his mistress, Maura is terrified that she has lost her best friend. The squad must now renew the search to find the real killer. Meanwhile, Angela enlists Frankie's help as she applies to new jobs.

The squad works overtime hunting down a serial killer sniper. Maura befriends a witness to the crime, who happens to suffer from a mental condition that has him believing he is a wolf.

Jane and Maura find themselves submerged in the cutthroat, high stakes world of competitive bass fishing when a tournament-leading fisherman is killed. At the same time, Frankie is paying the price after losing a bet.

Detective Jane Rizzoli and medical examiner Maura Isles investigate the grisly murder of a wealthy couple. The M.O. matches the work of a serial killer known as the Surgeon, who once nearly murdered Jane. Now that the Surgeon is behind bars, it seems one of his proteges is picking up where he left off.

Jane and Maura investigate what appears to be a hate crime, the brutal assault and murder of a woman leaving a lesbian bar. With Jane going undercover, they hope to lure the killer out in the open. Off the job, Maura hooks Jane up with a handsome yoga instructor.

Jane and the team investigate what appears to be a modern-day witch hunt in Salem. Meanwhile, Frankie's old girlfriend returns to town with a surprise, and Jane has no problem speaking her mind about the situation.

The virtual world and the real world collide when a microbrewer is killed. Angela tries to move on from a failed romance by seeing someone new. And Jane and the team begin to mentor underprivileged teenagers, a move that ends in near disaster.

A body is discovered in the church at TJ's christening; Jane almost abuses her power to protect Tommy; Lydia's fiancé threatens to take custody of TJ; budget cuts cause tension at the department.

A musician is stabbed in a bar; the squad realizes that the stabbing victim had something to hide; Jane's father returns with shocking news.

A boy band star returns to his roots for a show and winds up murdered. Jane and Frankie, who grew up with the victim, work hard to solve the case. Meanwhile, Jane and Maura must decide if it’s time to tell Angela the truth about Lydia’s pregnancy just as Angela prepares to throw her a baby shower.

A Revolutionary War re-enactment becomes the scene of a real killing when a soldier turns up dead. Maura's extensive knowledge of American history becomes important as she and Jane try to solve the case. And Maura's brilliant mother, Constance Isles, comes to Boston for an art exhibit.

Jane and Maura investigate a family's background when a man is killed; Jane suspects that Maura is hiding something.

When a former college football player is stabbed inside a carwash during a fundraiser for his alma mater, Jane, Maura and the team must piece together clues to track down the killer. Meanwhile, Frost's mother visits Boston with some unexpected news. And Lt. Col. Casey Jones bumps into Jane and is forced to reveal some startling news of his own.

The team works on behalf of the dead - and the undead - after a murder at a zombie convention. Angela decides to pursue her GED after revealing that she never graduated from high school.

Shortly after sailors invade the streets of Boston for Fleet Week, a young girl is found dead. Frost's father, a Navy Admiral, comes to town, causing tension with his son. And, Maura goes on a date with Angela's mechanic.

The world of competitive dance turns deadly when the mother of a star performer is stabbed to death at a competition. Jane and the team search for clues, but they soon realize something is off about the woman’s history. Korsak has his hands full when his stepson is accused of shooting a cop. Guest star Lolita Davidovich returns as Korsak’s ex-wife Melody.

When a rich financier is found stuffed in a trashcan wearing a cloak and mask, Jane and Maura must figure out what happened. Meanwhile, Maura makes a deeper connection with her biological mother, Dr. Hope Davis, and half-sister, who still doesn’t know Maura is related to them.

A bride is killed right before she walks down the aisle, and Jane and Maura must figure out if the groom’s ex-girlfriend is a suspect, or if there’s a deeper connection to the bride’s European roots. On the homefront, Jane has a new neighbor who captures the attention of Angela, Frankie and Frost.

When a man having breakfast in the Division 1 Café dies from poisoning, Jane and the team must quickly find the source as Angela and the irascible Stanley both come under scrutiny. Meanwhile, Tommy wants proof that he’s the biological father of Lydia’s baby as she returns to take the baby back. And Detective Korsak is reunited with one of his ex-wives.

Jane is unhappy when a former colleague returns as the new lieutenant of the drug unit; a tip from Cailin causes Maura to investigate Hope.

A viral video of Jane jeopardizes her career and reputation; the squad tries to solve a murder case involving a conspiracy theorist.