After Damon explains why breasts fascinate guys, Lisa decides to help Maggie "develop." Robert and Bobbi vie for the same dorm room after the housing office makes a gender error. Randy becomes roommates with Gil and discovers that Gil is polyamorous with Alice and Marguerite.

Lisa gives Maggie fake breasts to pad her bra, but Maggie's life gets complicated when Ray gets too close. Bobbi puts up a curtain to divide the dorm room and Robert falls for it. Randy goes out with Marguerite and then asks Alice out, but Alice isn't sure Randy's ready for polyamory.

Lisa helps Maggie "shrink" her breast size, totally confusing Ray. When Bobbi's boyfriend Chase arrives, Robert brings home a date of his own and the stripping begins! Marguerite wants to go out with Randy again, but he's really interested in Alice.

Damon proves that Maggie can be sexy without fake breasts, then Lisa and Damon lock Maggie and Ray in a closet, forcing them to talk. Robert and Bobbi flip a coin condom to see who keeps the room. After Alice and Randy go out, Marguerite wants to know if Randy used her to get to know Alice.