Overachiever Lauren (Miller) is suddenly on her own after her boyfriend breaks up with her. Free-spirited Katie (Graynor) is about to lose a dream apartment unless she can find a roommate. They reluctantly agree to room together, even though they have nothing in common, until Lauren discovers that Katie is working as a phone-sex operator and decides to get in on a good business opportunity. But as their partnership starts bringing in the money, their newfound friendship finds unexpected challenges that may leave them both hanging on the line.