Daphne is thrilled when Eric asks Regina to move in with him, but Regina is troubled by how little she knows about the mother of Eric's son, Will, and decides to go to Atlanta to find out more about the woman. John's financial stresses come to a head when Toby approaches the family for support, prompting John to lash out at him. Bay is surprised to learn she and Daphne have opposing opinions about how to deal with the pregnancy. Meanwhile, Travis goes to Los Angeles to visit Emmett and is dismayed to find Emmett has gone "Hollywood".
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.