Rory hooks up with Jana, his best friend's girl, when he drives her home in his van. Sexually active college girl Kiki buys her repressed roommate Gina a vibrator to help her open up. Katie brings home a bartender to spice up her dull sex life with boyfriend Dave.

Rory worries that Jana wants to go back to her ex and his best friend, Doc. Kiki fears that she might be as emotionally repressed as her roommate Gina is sexually repressed. After Dave finds out Katie has cheated on him, the couple sets new ground rules for their relationship.

Doc's lies threaten to tear apart Rory and Jana's new relationship. Gina and Kiki finally break down their emotional and sexual barriers, but will it be in time to save their roommate situation? Trying to even the score with his girlfriend, Dave brings home a beautiful dancer who also has her eyes on Katie.

Annette and Todd set about getting back at their cheating partners, but first they have to come up with the ground rules for revenge sex. Kyle and his buddies conspire to lose their virginity at his sister Katie's pad while she's away for the weekend. Kiki tries to steal Mark away from Gina since she can't stand seeing a guy lavish attention on someone other than her.