As a severe storm warning forces everyone to hunker down indoors, Kathryn's mom Bonnie comes for a visit, bringing her friend Lucille and delivers some unexpected news to Kathryn. Bay finds that Emmett is avoiding any discussion of what triggered the UMKC investigation. Meanwhile, Daphne goes to see Regina at the coffee house where several shocks await her, including one that will put her freedom at risk.
Switched at Birth tells 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 poor 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.