S3, E12: Katherine offers Casey the Vice President of Judicial Affairs position and gives her the first task - investigate the fire that burnt down the Gamma Psi's house. ZBZ's are still on edge that they are going to get caught, and Casey can't handle the guilt so confesses to Natalie. When Natalie doesn't turn her in and instead she blackmails her in exchange for ZBZ's house, Casey digs deeper and finds evidence that Natalie rigged Songfest by sleeping with a judge. Casey exposes her own guilt and Natalie's deception to Katherine but at the price of losing Katherine's budding friendship and the VPJ position. Winning the Gary Wyatt grant has been great for Rusty's popularity - female engineers are hot for him, but the girls he wants (sorority girls) aren't fazed by his success. Ashley helps them both by having a nerd auction to raise money for the Gamma Psi's house rebuild. Ashleigh makes Rusty over to be nerd-chic, but in the end sorority girls still see Rusty as their own personal Geek Squad. In the process he blows off the cute engineering nerd (Dana) who has had a crush on him since orientation. When he realizes his mistake he asks her out, but Dana refuses. Evan and Cappie's tumultuous relationship comes to a head at the Amphora society where they are both expelled. Cappie and Casey cope with the fact that while Cappie and Evan's friendship is over, Casey and Evan are becoming friends and Rebecca and Cappie will be in a human sexuality class together.