Daphne follows Emmett to a music festival, hoping to get some private time with him. Elsewhere, John requests that Regina be present when Bay sees Angelo again; and Kathryn secretly talks to a nurse who could assist in the lawsuit against the hospital.

Bay fails to dazzle Melody with her American Sign Language skills. Elsewhere, Kathryn contemplates writing a book about her baby-swap experience; Daphne befriends an old pal of Bay's; and Wilke and Toby seek to make a profit by selling phony IDs.

Melody attributes Emmett's troublemaking behavior to Bay. Elsewhere, Regina becomes Angelo's business partner; Daphne's displeased with her basketball coach; and Kathryn and John face a possible setback in their lawsuit because of their lawyer.

Daphne and Bay unite to help Emmett save his motorcycle. Elsewhere, Kathryn and John retain a new lawyer for their case against the hospital; and Angelo learns something that could jeopardize his business arrangement with Regina.

Angelo attends a dinner at the Kennishs' home. Meanwhile, Bay helps Emmett move into his dad's place, where they meet his father's girlfriend; and Daphne and Wilke go out on a date.

Kathryn's mother visits the family and forms a bond with Daphne, yet Daphne still feels a strong connection with where she was raised. Meanwhile, Bay and Regina look into Angelo's disappearance; and Toby realizes he can only please Simone if he changes.

Emmett photographs Bay and Daphne's blended family for a school assignment. Meanwhile, Regina gets acquainted with an art-gallery owner; Daphne questions Simone's trustworthiness; and Bay and Emmett divulge their true feelings to each other.

Things don't go well at Regina's art show, where Emmett's parents get into a big fight. Meanwhile, Kathryn's latest actions may jeopardize the lawsuit against the hospital; and Daphne feels caught in the middle regarding her two schools.

Daphne is unsure about her romance with Wilke, and then she meets a confrontational new student at school. Meanwhile, Emmett isn't happy to learn that Bay is still in contact with Ty, who may have been injured in Afghanistan.

Bay must testify in Emmett's custody case, and Emmett's actions threaten to end their relationship. Elsewhere, a nervous Daphne prepares for a basketball tournament between her current and former teams; and Kathryn has a meeting with a New York editor.

Bay and Daphne arrange an ASL zombie movie shoot for Emmett's birthday. Meanwhile, Emmett wrestles with whether to tell Bay about his betrayal; and Regina has doubts about assisting with Kathryn's book.

Bay returns from a trip abroad with a new boyfriend, but she must face issues from her past concerning Emmett and Angelo. Meanwhile, Daphne seeks employment help from Kathryn; and Regina impulsively makes a big decision.

Regina and Angelo face repercussions from their marriage. Meanwhile, Bay meets a fellow street artist; Daphne and Emmett enter their zombie movie in a film festival; and John's baseball record is in jeopardy of being broken.

Emmett meets a girl who's a fellow motorcycle enthusiast. Meanwhile, John is enraged when his car wash gets tagged; and Kathryn slyly finds a way to get Toby to stop moping around the house.

The trial involving the hospital's error gets under way. Meanwhile, Bay tries to return the cash she secretly took from John; Daphne and Jeff's relationship encounters obstacles; and Toby starts a new band.

A look at what would have happened if Regina had revealed the switch when she first uncovered it finds both girls being raised by the Kennishes: Daphne has a cochlear implant and is spoiled and manipulative, while Bay's a top scholar who overcompensates.

Angelo's relationship with Bay is tested as he fights for custody of his infant daughter. Elsewhere, Daphne and Jace stumble onto a possible political scandal; Nikki learns that Toby's reconnected with Simone; and Emmett sets up a blind date for his mom.