Summer is over and Daphne and Bay deal with the consequences of Bay taking the fall for Daphne. No one is happy about it, especially Emmett who has to leave for school, leaving Bay behind. Daphne decides to put off Gallaudet, going to the nearby University of Missouri–Kansas City (UMKC) so she can support Bay, who is unhappy with her decision.

Bay struggles with a stubborn girl at community service who appears to hate her, but there's more to her than meets the eye. Meanwhile, Daphne struggles with Josh taking interpreting too far, Regina is still hated by the East Riverside people, and there are plans to turn Kathryn's book into a movie.

Daphne and Mingo, a hearing student on her floor, organize a dorm triathlon to compete for control over the best bathroom. Bay and Toby try to hide the fact that Bay is a convicted felon in the hopes of getting her art accepted into a showcase.

Emmett pays an unexpected visit, but things don't go as planned. Daphne stresses about a D on a test. Bay goes to a party and wakes up the next morning in bed naked with Tank.

After a night of intense partying, Bay wakes up in bed with Tank with no recollection of exactly what happened between them. She tries to piece the truth together, but realizes that the truth itself is debated despite it clearly being rape. Daphne is invited with four other women members of her chemistry class to Professor Marillo's house where she once again clashes with Vimla. Regina decorates Eric's cafe. Meanwhile, John, Kathryn, and Lily are worried about Toby's lack of life direction.

Bay's private actions at the party are exposed by Toby's girlfriend from something Toby told her in confidence. Because of this, everyone is telling Bay how to feel and it leads to an investigation by the university. Bay tries to tell Emmett but is too upset. Daphne flies out to talk to Emmett.

Bay is desperate to bridge the distance between her and Emmett since the incident with Tank, but Emmett refuses to talk about what happened. Her building frustration and his constant dismissal of the topic ultimately leads them to take a break. Kathryn's mother visits and brings a surprise guest. She reveals that she has been diagnosed with Alzheimer's, which Kathryn initially refuses to accept. Meanwhile, a huge storm has Regina and Daphne stuck at the coffeehouse with Eric and Nacho, who ends up blackmailing them.

Bay's community service run ends early when she saves her supervisor from choking. She wants to resume her art career and decides to make opportunities for herself. Travis is struggling in English, but is reluctant to take advice from Kathryn. Daphne is interested when Mingo asks her to spend some time together, but soon realizes that he only wants to be friends with benefits.

To keep her mind off Emmett, who is avoiding her, Bay agrees to be a baseball assistant to John and also tries to help Travis and Mary Beth get over a rough patch in their relationship. Meanwhile, Daphne gets caught up in sorority rush when she decides that she needs to branch out. Also, Kathryn catches Lily getting close to one of her co-workers, which leads to Lily complicating things with Toby right after he asks her to move in with him.

Daphne finds out that she received a D in chemistry and starts to wonder if her dream of becoming a doctor is out of reach. A later incident with her friends at the hospital and a talk with Mingo change her mind. Regina accidentally tells Eric she loves him, only to have him tell her that he's considering selling the coffee shop. Toby gets mad at Kathryn for talking to Lily about her feelings, but must put everything aside to perform their "Batter Up" showcase for a Broadway reviewer. Meanwhile, Bay has flown in to surprise Emmett and put plans together for them in L.A., but finds out that a short film he pitched included personal details about their relationship and the incident with Tank. Emmett suggests that they break it off for a while so that he can focus on school, saying they've been heading in separate directions. Bay says if they go forward with a break-up, it'll be forever and they end up parting ways.

Bay is still grieving the end of her relationship with Emmett and finds it hard to move on when she sees him everywhere. Daphne realizes that her friends don't approve of Mingo. She also finds out that Lily is pregnant with Toby's baby and tries to get the two of them back on speaking terms, but to no avail. Meanwhile, John is told that the family might be in serious financial trouble.

Bay enrolls in a Spanish course at UMKC just as the sexual assault incident is brought back to light on campus. She becomes paranoid about rumors people are spreading about her, while Kathryn tries to save Melody's job by volunteering to talk with a parent who pulled their student out of the deaf program because of the incident. John is keeping the financial troubles a secret from the family, which might prove to be very costly as family expenses start piling up. Meanwhile, Toby and Lily consider their options on what to do about their situation and Toby doesn't appreciate Daphne's input.

Toby tells the family about the baby. John is angry but Kathryn wants to be supportive, while Bay implores him to research all his options before making any decisions. She arranges for her and Toby to visit a special needs school. Eric asks Regina to move in with him, but before she says yes, she decides to take Daphne on a trip to Atlanta to discover what has become of his ex-wife, Hope Paxton. Meanwhile, Travis visits Emmett in L.A. and finds that Emmett has changed for the worse.

Bay has a hard time dealing with Regina moving out. Daphne goes on ambulance ride-alongs as a part of her training to become her dorm's safety captain, but a particular accident unexpectedly drags up memories from the night of Angelo's death. Meanwhile, John and Kathryn look to endorse products for some easy money, but find that their names don't hold as much value as they had originally thought.

Melody brings Daphne, Bay, and Travis with her to Mexico to help distribute hearing aids to deaf locals. Emmett unexpectedly shows up and when Bay learns that he has started seeing Skye, it sends her into a jealous fury. Daphne is touched by the work she's doing and sets out to go the extra mile to assist the community with the help of a fellow volunteer. Meanwhile, Melody's boyfriend Gabe proposes that they adopt a deaf child together.

Daphne invites Mingo and his parents to a Kennish family grill night. Things go awry when it's revealed that Mingo's father Larry is the business manager that John holds responsible for sending the family into financial ruin. Bay decides that it's time to move on and sets her eyes on Garrett, one of Travis' deaf friends. While out to dinner, Bay runs into Tank, who's been having a hard time since he got expelled.

Daphne seeks to raise $600 to help out the deaf community she served in Mexico and gets help from Mingo. Mingo has also been trying to overlook her kiss with Quinn, but it proves to be hard when he finds out that those two have been keeping in constant contact. Bay finds out that a boy on campus is using her "Hammer Girl" art to sell degrading t-shirts. Meanwhile, Toby and Lily have to decide whether to move to London to raise their baby with Lily's parents' help or to stay in Kansas City with the Kennishes. Also, Eric walks out on Regina after finding out that she had lied about visiting Hope.

Bay thinks that she's ready to jump into the hookup game with Garrett, but quickly realizes that it's not for her. When he later approaches her about the Tank incident holding her back, she ends up confronting Travis for telling Garrett her secret. Daphne thinks that Josh has feelings for her after he tells her that his relationship problems with Vimla are because of feelings for someone else. Mingo offers to talk to Josh for her, but things take an awkward turn when it's revealed that Josh actually has a crush on him. Meanwhile, Eric tells John of a unique investment opportunity and Lily is stressed out over her impending motherhood. Also, Bay comes across a woman interested in an art commission, who unbeknownst to her is Hope Paxton.

Regina is hosting a baby shower for Lily, but the duties fall onto Bay when Hope kidnaps Will and Regina and Eric are blackmailed. Bay gets mad when she finds out that everyone has been keeping secrets from her. Lily has some uncomfortable conversations with some of Kathryn's friends regarding her child's disability. Meanwhile, after Professor Marillo tells her that she won't make it as a doctor, Daphne digs deeper and helps a friend keep pursuing her potential as well. Bay ends up spilling Eric's secret to her parents.

Regina gets Eric and Hope to put aside their differences and co-parent Will, however, that means that he'll be relocating to Atlanta. Daphne tries to curb Mingo's jealousy when Quinn shows up to interview her for a summer program. Bay holds her first art show, but later finds out that Travis orchestrated the whole event. He admits that he's in love with her and they kiss. Afterwards, Emmett finds her for a heart-to-heart about the last year. Meanwhile, John and Kathryn are at odds over a car wash deal. Lily and Toby welcome their baby boy, Carlton. Daphne and Bay decide to travel to China together. Ten months later, the two girls are settled abroad when Bay gets a phone call about an emergency back home.