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.

Daphne struggles to decipher Jeff's signals. Elsewhere, Bay and Zarra try to find out who's ruining their street art.

John and Kathryn invite Alex to a family dinner, but Bay leaves during the meal to answer Zarra's plea for help. Meanwhile, a coworker asks Daphne to lie to Jeff; Toby grows closer with Nikki; and Regina reaches out to Patrick.

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.

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.

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.

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.

Regina returns from rehab early to spend time with Daphne, who has bonded with her biological parents while Regina was away. Meanwhile, Bay runs into Ty; Travis proves to be a bad influence on Emmett; and Kathryn and Nikki don't see eye to eye.

Bay discovers some surprising info about Ty's time in the military as she reconnects with him. Meanwhile, Toby and Travis covet the same position at John's car wash; and Kathryn and Daphne have trouble accepting Bay's desire to stay with Regina.

Toby and Nikki's relationship is strained by work and wedding planning, so Bay tries to help Toby find a release by booking a gig for his band. Meanwhile, Regina and Bay's messiness irks Angelo; and Jace introduces Daphne to a new adventure.

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.

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.

Ty and Bay embark on a camping trip. Elsewhere, John continues to show Regina his gratitude; Nikki questions her mother about her father's past; and Parker's distressing news causes Daphne to become more frustrated with Jace.

Bay and Daphne host a bachelorette party for Nikki. Meanwhile, Toby's bachelor party goes off course because of Simone; Jennice makes some surprising requests for the wedding; and an altered living arrangement has Angelo and Regina reexamining things.

Toby prepares for his wedding, and his parents contemplate being truthful with him. Meanwhile, Bay seeks a long-distance romance with Ty in the face of his redeployment; and Daphne is forced to own up to her mistakes.

Daphne assists Angelo with a fund-raiser at the clinic. Meanwhile, Bay can't ignore MaryBeth's feelings for Tank; Sharee is tutored by Toby; and John and Katherine entertain John's old baseball buddy.

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.