Jane and Maura's friendship suffers following the shooting of Maura's biological father, gangster Paddy Doyle. Jane also finds herself in the middle of an Internal Affairs investigation. And her relationship with Agent Dean is exposed. Maura finds out that her father said she died as a newborn on the day she was born August 7, 1976 and has a gravesite and marker with the name of Baby Maura Doyle on it. Written by K.P. Manning

Jane and Maura still aren't on speaking terms but are forced to work together when a college student, 25 year-old Rachel Lawson, is found strangled in the university's underground tunnels. She had also been renting a car every weekend for the last 20 weeks and was aware that her parents has separated. She had also spent a good deal of money on yoga in recent months. The yoga master, Sensei Matta, has recently bought 20,000 acres in Western Massachusetts and has a secret - one that lead to the death of Rachel Lawson. Meanwhile, Jane is surprised when her father knocks on her door. He has big news: he's going to be remarried - to a 28 year-old - but wants a church wedding so needs to have his marriage to Angela annulled. Tommy, who introduced his Dad to the woman, is having his own particular problems with the nuptials. Written by garykmcd

Jane and Maura investigate the murder of an army veteran, 29 year-old Bernard Avery, who was killed in an alleyway with a hatchet. He was homeless, one of many ex-servicemen now living on the streets of Boston, and suffered from PTSD. When Rizzoli and Korsak visit a psychology center where Avery had sought help, Jane is surprised to her old friend, Casey Jones working there. He's been back for several months but refuses to tell her anything more. The police soon have a second dead homeless vet and Jane's informant, Rondo, thinks he's found a witness. Meanwhile, Maura meets Dennis Rochmond and after saving his life, he sends her orchids. She also discovers her wild side. Written by garykmcd

Jane and Maura investigate the murder of 25 year-old Victoria Green who was found posed her on a bus stop bench and made up to look like a toy doll. They first suspect Herbert Buckley who was recently released from prison and has a fetish for dolls but that proves to be a dead end. It's only the first of several murders and it seems that the killer is finding the women on the public transit system. Maura finds a sliver of ash wood in the first victim's scalp but the blood on it is 20 years old. It proves to be the vital clue that leads them to the killer. Meanwhile, Korsak find a well-trained service dog who turns out to belong to someone at the veterans center where Jane's friend Casey works. Maura returns the dog and learns Casey's secret. It's left to Jane's mother to get Jane and Casey together again. Written by garykmcd

Jane and Maura investigate the death of a young woman whose body is found in a back alley dumpster. The killer apparently burned her hands to stymie her identification but the police find a driver's license on her. Maura determines that she was asphyxiated and suffered a severe blow to the head. Meanwhile, Jane is after Maura to locate her biological mother and it turns out she already has. She is Dr. Hope Martin a world famous physician who has done a good deal of forensic analysis. Jane arranges for her to come in and try to identify the dead girl. She turns out to be everything Maura could ever hope for in a mother but is determined that she should never know about their connection. As for the dead girl, she is identified as 27 year-old Emma Spencer, a legal intern who worked at the DA's office. She was investigating the murder of a friend who disappeared when they were young teenagers and whose remains were only recently discovered. She had also taken a leave of absence to work as... Written by garykmcd

Jane and Maura go undercover at a sex party to track down the perpetrator of a sex related murder in a mansion that's on the market. As Maura and Hope get better acquainted their relationship turns out to be especially important for Hope's daughter Cailin. Meanwhile, Sister Winifred tries to maintain some level of civility in the squad room. Written by David Foss

Jane and Maura investigate the double murder of husband and wife Dr. Rod Parker and Dr. Eve Parker who were shot in their offices. Both were practicing psychiatrists. She was a well-known advocate of childless marriages while he was an expert in delusional disorders. They suspect that the murderer may be a patient but Judge Eugene Allen flatly refuses a warrant to access patient records unless they can find a relevant link to the crime. That they do and it leads to a suspect, one that is infatuated with Jane. Meanwhile, Frankie and Jane are at a loss when they learn that their father has dumped his much younger girlfriend Lydia, who is 7 months pregnant. Written by garykmcd

The gruesome murder of a bride and the disappearance of her sister lead Jane to a crazy jealous rival and a bigger even more gruesome criminal enterprise. Meanwhile Jane's brother and partner are dating Jane's next door neighbor which conflicts with Jane's moving plans but Jane is more concerned about her neighbor's profession. Written by David Foss

Jane investigates the death of a family friend in a boy band with a history of drug abuse. It looks like a drug case until drug tests come back negative and another rocker turns up dead. Maura's soft heart drags Jane into assisting with Lydia's pregnancy despite her disapproval of her mother's relationship with Lydia. Written by David Foss

Frankie's promotion to detective goes to someone the detectives have a history with. The man Maura saved in the morgue returns to a cold reception. The case of the week is a body encased in plaster on public display on a fountain and it's not the first or the last. Written by David Foss

Vince's ex-wife's husband dies suddenly in Angela's dinner after coughing up blood. It turns out there are so many mysteries surrounding this victim that Jane has a tough time figuring out which trail is the one to follow. Fortunately one offers the opportunity to tease Angela's boss. Lydia returns for her baby and Angela has a plan to work things out. Written by David Foss

A famous author who apparently hanged himself, a charitable gift for helping put a man on death row, a nagging feeling, a health program for the squad room, a suicide chat room, an evasive witness, a mother who insists her son is innocent, and a man who fell from a roof make for another week of mysteries and distractions in Jane's and Maura's investigations. Written by David Foss

The squad investigates the murder of Greg Jensen a brew master and the CEO of Overlord Ale who was found dead in his test kitchen. He appears to have been killed with a spear, something Maura confirms when she finds the metal spear tip inside his chest. The police have a lead when they learn that Clark Skullcrusher West, head of a motorcycle club, had lost a lawsuit against Jensen for having stolen their club logo and using it in a beer ad. Maura finds some DNA that leads them down a different path and into the world of online gaming. Meanwhile, Angela is doing her best to make Lt. Cavanaugh jealous and Jane and Maura act as mentors for some street kids brought in by Rondo. When the fire alarm goes off unexpectedly and they evacuate the building, Angela realizes her wallet has been stolen. Written by garykmcd

Casey drops some big news to finally explain to Jane why he's keeping his distance. Barry's mother plays ringer in an interoffice softball game then announces she's getting married. The detectives investigate the murder of a an ex-football player who ran a bakery. Written by David Foss

An actor is shot and killed by a prop gun. Dr Hope Martin returns and hopes to reconcile with Dr. Isles. Jane makes an unannounced visit to see Casey before his surgery. A substandard building collapses, trapping team members in a parking garage. Written by Blair