S4, E8: Kappa Tau faces academic probation when one of their pledges mysteriously receives straight F‘s, the KT‘s suspect Omega Chi and Dale are behind it. Rebecca uses the investigation as her post Evan break up coping mechanism and discovers that Omega Chi is actually playing a trick on Dale. Evan takes revenge on Casey for his break up with Rebecca by attempting to make her look less than capable in her Law school studies. The two take opposing sides on a mock trail assignment. During the trial, Evan lets it slip that he still has feelings for Casey, but she takes it as a trick to get more information out of her about the trail, when in fact he was telling the truth. Casey wins the case. Part of the Omega Chi scam on Dale, he ends up performing solo on stage in just his underwear in front of the entire Greek system. Calvin and Rusty come to his rescue and join him on stage. Ashleigh continues her job search with the help of Cappie who has his eye on joining the CIA. She also continues her relationship with Casey‘s professor Simon, but realizes that he sees her as a trophy girlfriend situation and breaks up with him. Cappie attends an interview with the CIA, only to realize he may not be the type of candidate they are looking for.