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...

Kyle finally gets Tina right where he wants her, but does he know what to do with her? Ross offers Jenny the couch, while he entertains his latest conquest, Lexi, in the next room. Cliff escalates tensions by bringing home Eva's worst nightmare...Joey and Lou!

Jenny challenges Ross to start acting like the boyfriend she secretly wants him to be. Cliff helps Evan nab the guy he wants. Sarah, tired of competing with his computer, gives her boyfriend Jake what every guy hates most...an ultimatum.

Ross rises up to Jenny's challenge to act like her boyfriend--and then she decides to move back to Ohio just as he thinks he might get to like the situation. Jake suspects that the radiation from his computer had begun to sap his sexual prowess. College sex-advice maven Emma can get everyone to open up except her monosyllabic boyfriend Brian.

Jenny suddenly returns to Ross' pad after a last minute decision not to move back to Ohio, but Ross has had a chance to think over the long-term commitment. Sarah tries to get her paranoid boyfriend Jake to pay attention to her by hitting on his sleazy buddy, Steve. Emma encourages her college boyfriend Brian to let go of his inhibitions by communicating through a sock puppet he names "Mr. Fuzzy."