Divine Secrets of the ZBZ Sisterhood

Plot:

In an attempt to impress Cappie, Rusty tries to solve a mystery involving CRU's secret Skull and Bones society, but gets more than be bargained for. Meanwhile, two former ZBZ's who defected to IKI ask Casey if they can return, but the heads are reluctant. Also, Rebecca seeks dating advice from Calvin, as she prepares to go out with Robin.