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.