Perhaps their strikingly different personalities make the relationship between detective Jane Rizzoli and medical examiner Maura Isles so effective. Jane, the only female cop in Boston's homicide division, is tough, relentless and rarely lets her guard down, while the impeccably dressed Maura displays a sometimes icy temperament — she is, after all, more comfortable among the dead than the living. Together, the best friends have forged a quirky and supportive relationship; they drop the protective shield in each other's company, and combine their expertise to solve Boston's most complex cases.

The story of two teenage girls who discover they were accidentally switched as newborns in the hospital. Bay Kennish grew up in a wealthy family with two parents and a brother, while Daphne Vasquez, who lost her hearing at an early age due to a case of meningitis, grew up with a single mother in a working-class neighborhood. Things come to a dramatic head when both families meet and struggle to learn how to live together for the sake of the girls.

Reporter Camille Preaker confronts the psychological demons from her past when she returns to her hometown to investigate the murders of two young girls.

Seeking to offer his son the satisfying summer camp experience that eluded him as a child, the operator of a neighborhood daycare center opens his own camp, only to face financial hardship and stiff competition from a rival camp.

A husband's attempt to keep his sleepwalking wife from injuring herself descends into chaos as he discovers she may be in the grips of mind control.

Will, a ride-share driver, and Glenn, a shut-in hacker, are best friends who scheme to rip off Will's customers. When it all falls apart, they try to turn their luck around by scamming famed venture capitalist billionaire Bruce Marcus.