Emmett invites Bay to Carlton's prom, and Daphne asks Wilke, but he tells her he can't go because he's writing a paper, making Daphne suspicious. Daphne goes to Wilke's house, but he his dad is the only one home. Wilke's dad tells Daphne that Wilke is being sent off to boarding school.
Meanwhile, Regina gets a call from Angelo, who is being held in custody. He needs a lawyer to help stop him from being deported. Regina tells Angelo that their relationship is over, but Bay wants him to know that she misses him.
Daphne invites Travis to join her at the prom, but Wilke unexpectedly shows up to her house in a limo just before she leaves. Daphne tells Wilke that Travis is joining them. At prom, Daphne confronts Wilke about what his dad told her, and Wilke apologizes. He also tells Daphne about Emmett's night with Simone. Daphne doesn't believe it, so she confronts Emmett. Emmett lies, telling her nothing happened, but Daphne can tell that he isn't telling the truth. Shaken by Daphne's confrontation, Emmett decides to tell Bay what happened, and she storms away.
Kathryn accompanies Craig to interview someone who was associated with the hospital at the time of the switch. The woman turns out to be unreliable, and their car breaks down during their drive home. While they wait for the tow truck, Kathryn and Craig share an intimate moment, for which they each immediately apologize.
After prom, John visits Regina and tells her that the best solution to keeping Angelo in the country is if he marries a U.S. citizen.