Solving the murder of a jogger takes on even greater urgency when Jane realizes that the motive was theft ... of the woman's baby. As the investigation gets underway, Jane attempts to hide her pregnancy from her snooping mother, and Maura and Frankie face the aftermath of their kiss.
A woman walks into the station covered in blood, carrying a gun, and saying she killed someone. Unfortunately, the trauma of what she did caused her to forget who she is or who the victim is. The team tries to unravel this bizarre case as they deal with the loss of close friend and colleague, Det. Barry Frost.
A killer is using online ads to find the perfect candidate for murder: men no one will notice are missing. Meanwhile, Jane discovers that keeping her pregnancy quiet will be a tough assignment.
When a man is found murdered inside his supposedly impenetrable doomsday fallout shelter, the squad must figure out how and why he was targeted. Jane finds it difficult to focus on the case when she discovers Korsak is looking into retirement and Frankie is keeping a secret of his own.
The team investigates the murder of a wealthy woman with terminal cancer and only a few months left to live. And when Maura teaches a class, she meets a man who might be her Mr. Right, but she is torn between the doubts of her scientific mind and the instincts of her heart.
With Maura is away at a convention, Jane needs Susie's assistance to solve a murder.
Jane and Maura find themselves becoming involved in the world of Celtic writings following the murder of a rare bookseller.
The team work on a case of tracking down a witness to a contract killing of a woman who's body is found outside a nightclub.
The team have to work with the remains of a mummified woman's body. Jane suffers a loss.
The team work with Korsak in an effort to crack a cold case. Jane takes a few unconventional measures to stay involved.
A man passes away in suspiciously in a bathtub full of ice during a heat wave. Angela tries to stay cool by drinking some spicy tea.
A prosecutor is arrested for murder, but Jane believes that he didn't commit the crime. Angela teaches Maura about modern-day children.
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.
When a severed human foot washes up on shore, the squad is called in to identify the victim and track down the murderer as more body parts are found. After an unsuccessful job hunt, Angela finds she enjoys helping out Korsak at the Dirty Robber.
The squad is forced to join forces with an over-eager private investigator when a successful clothing designer is found poisoned and his wife reported missing. Jane notices Angela is spending too much money and asks Maura to teach her mom how to handle her finances.
After a man is found bludgeoned to death on the side of the road, Jane and the squad team up with another detective who believes he is hunting the same roadside killer. Meanwhile, Maura discovers she has had her identity stolen and recruits Angela to help track down the culprit.