Switched at Birth: Two teenage girls discover they were accidentally switched as newborns in the hospital. Bay grew up in a wealthy family with two parents and a brother. Meanwhile, Daphne, who became deaf at an early age, grew up with a single mother in a working-class neighborhood. Things come to a dramatic head when the families meet and struggle to learn how to live together for the sake of the girls.
Senior year means big changes for Bay and Daphne, as the Carlton School for the Deaf receives an influx of hearing students.
When her art teacher proves to not be easily impressed, Bay is pushed to re-examine her talents. Daphne makes a mistake at the clinic.
Bay is surprised by her feelings when she learns that Emmett has started dating again.
Daphne tries to convince Sharee that she needs to find help for her mother.
Bay has reservations about Emmett’s new girlfriend.
The Kennish and Vasquez families rally to support a loved one who is in critical condition.
While visiting Chicago, to find Bay’s second cousin, things go south when Daphne uses it as an opportunity to act out.
Daphne and Travis make life-changing decisions when they find out their admission results from Gallaudet University.
Regina, Kathryn and John are shocked when Bay tells them about the extent of Daphne’s self-destructive behavior.
Shocking news about Carlton threatens to overshadow Bay and Daphne’s graduation day.
As the holidays approach, Bay bristles at Kathryn’s festive holiday spirit, complete with homemade peanut brittle and Christmas karaoke, while Daphne is frustrated with Regina’s usual tradition of movies and Chinese food for Christmas.