Zena asks Louie to drive her friend Emily, who has just been dumped and is drugged, drunk, and upset, back to her apartment. While there, Emily comes on to Louie and he ends up cheating on Zena. Louie soon brags of his conquest, but Elaine gets so angry that she is about to tell Zena everything. Louie decides to tell Zena himself though, who understandably dumps him. Louie then shows up at Emily's apartment, but Emily is clearly regretting her indiscretion with Louie and is getting back with her boyfriend anyway, so she kicks him out quickly. Louie, back at the garage, is in tears because he is so upset at the turn of events. Alex, feeling sorry for Louie, gives him some sage advice on how to get Zena back. All of a sudden, Louie turns off the tears and Alex sees that he's been had and gets furious with himself. As Louie goes to talk to Zena (and presumably gets back together with her), he assures Alex that the tears were real.

Louie gets a call from Emily, who jilted him in an earlier episode, who is drunk and drugged and wants to meet him at a nearby bar. Louie decides to go over there to throw a drink in her face and reject her, therefore getting the last laugh. However, when he gets to the bar, Emily serenades him and has Louie eating out of her hands. The next morning, she is shocked to see him wake up next to her, but Louie somehow convinces her that they are meant for each other. They begin a relationship but it becomes evident that Louie has become Emily's slave and he's starting to hate himself for it. Eventually she comes to a realization of what she's doing to him and breaks it off with Louie, who is relieved, but he finally exacts revenge by throwing orange juice in her face.