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.

Ross comes home early from his vacation to find Annette and Todd practicing their revenge sex on his bed. Doc decides that a friendly game of strip poker with surefire girls is the easiest route to losing their collective virginity. Evan discovers to his horror that his new roommate Cliff "plays for the other team."

Todd and Annette get caught with their pants down and reevaluate their motives. Doc and the guys plan their night of strip poker seduction, but the plan blows up in Kyle's face when his potential new girlfriend Tina decides to drop by. Evan calls in reinforcements to run Cliff out of the coveted dorm room.

Blind Cassanova Ross brings Jenny home for a one-night stand, but she has to stay a little longer than either of them had in mind. Kyle gets groveling lessons from his older sister Katie and begs for Tina's forgiveness. Cliff holds his own with Evan, and with Evan's new boyfriend Theo...

Rory takes Jana to an isolated park in his van, and discovers the complex engineering involved in removing a girl's bra. Claire learns that Dean wasn't a virgin the night she slept with him--Kiki had hopped in the sack him only a half hour before--and she's furious. Tina asks her boyfriend's best buddy Jared to teach her the art of the hummer so she can win back her boyfriend.

After losing his virginity to the wrong girl, Dean is given another chance with Claire on one condition: to agree to a period of celibacy as part of a re-virgination process. Kyle wants to know where Tina picked up her new oral pleasure skills, and is shocked when she tells him it was his best friend Jared that taught her. Andy stumbles across his lover Joel's porn stash...straight porn...and worries that Joel may secretly be bi-sexual.