Bay enrolls in an experimental program at Carlton for siblings of deaf students. Elsewhere, Toby embarks on a romance with Nikki, but then he pulls back after he finds a distasteful picture of her on the Internet; and Regina learns about Angelo's baby.

Melody hosts a tolerance retreat after tension builds between the hearing and deaf students at Carlton. Elsewhere, Kathryn's remarks during a radio interview may jeopardize John's campaign; and Regina gets some alarming health news.

Bay hosts an anti-Valentine's Day party, where Noah and Travis get into a fight. Meanwhile, Angelo and Lana call a temporary truce; and Regina disagrees with the Kennishes on how to deal with a situation concerning Daphne's food truck.

Discord breaks out at Carlton when the deaf students oppose the pilot program for hearing students, leaving Daphne feeling trapped in the middle. Meanwhile, Bay finds Regina's behavior puzzling; Daphne is cast in a play; and Toby bonds with Elisa.

Daphne leads her classmates in a protest against the closing of their school, and Bay's efforts to join them are met with resistance. The episode is presented entirely through American Sign Language.

The Carlton students learn the outcome of their protest. Meanwhile, John's campaign concludes abruptly; Emmett contemplates telling Bay about Daphne and Noah's kiss; Lana's labor begins; and an inebriated Regina turns up at Angelo's door.

Bay organizes Deaf Day at the amusement park, and Emmett assists her with a special movie screening. Meanwhile, Daphne's hit with a surprise when she runs into Chef Jeff; and Toby tries to help Nikki deal with a dark part of her family history.

In the third-season opener, the girls begin their senior year at Carlton, where Toby takes on a coaching position. Meanwhile, Kathryn befriends a tap dancer; Daphne starts her probation work at a free clinic; and Bay's new art teacher inspires her.

Bay strives to impress her art teacher while she struggles with her commitment to field hockey. Elsewhere, Campbell assists Daphne when she makes an error at the clinic; Kathryn invites Renzo home for dinner; and Emmett investigates a vandalism problem.

Bay assists her art teacher at a gallery and hopes to get a letter of recommendation in return. Elsewhere, Daphne struggles to befriend Sharee; and Regina's latest business opportunity puts her in an awkward position.

Toby gets an unexpected visit from Nikki. Meanwhile, Bay and Daphne get ready for a big field-hockey game, and the rivalry between their team and the opposition intensifies; and Regina's connections to her old neighborhood prove beneficial.

Kathryn's book is leaked before it's published. Meanwhile, Bay is skeptical about Emmett's new girlfriend; Daphne has an unexpected encounter at the clinic with someone from her past; and Regina feels a sense of guilt about her behavior.

Melody wants to put an end to Emmett getting bullied by Matthew. Meanwhile, Bay feels torn between her feelings for Emmett and Tank; and Daphne is determined to hunt down the individual who vandalized Regina's studio.

A shocking discovery is made by Bay and Emmett when they challenge Matthew's threat of blackmail. Elsewhere, Daphne gets a promising opportunity at the clinic, but she's concerned about how it may impact Campbell; and Kathryn's past haunts her.

Daphne is going off the deep end and has everyone worried. Emmett plans the perfect prom but Bay feels she must take a stand which might mean no prom at all. Toby must choose between his new roommate Tank and a DJ gig.

Graduation day has arrived, but Daphne is distracted by the impending hearing over her parole violation.