Rusty attempts to solve a mystery involving a secret service he ran across on campus in hopes of impressing Cappie. Meanwhile, some of Frannie's defectors from ZBZ house have asked to return, and Rebecca seeks dating advice from Calvin as she readies to go out with Robin.
Elenco: Jake McDorman , Jacob Zachar , Amber Stevens , Clark Duke , Paul James , Spencer Grammer , Scott Michael Foster , Dilshad Vadsaria , Tiffany Dupont , Derek Mio , Dilshad Vadsaria , Jake McDorman , Jesse McCartney , Jessica Rose , Johanna Braddy , Max Greenfield , Michael Rady , Nora Kirkpatrick , Paul James , Tiffany Dupont , Zack Lively .