At a neighborhood bar, Danny, a swinging single, meets Debbie, a bright young advertising executive. Sparks fly, and the pair go home together to enjoy what they think is going to be a meaningless night of sex. Danny and Debbie both enjoy their own freedom, work, and friendships. Debbie relies on the support of her roommate, Joan, while Danny is constantly exchanging dirty stories and work anecdotes with his coworker and best friend, Bernie. Although they desire to keep their independence, Danny and Debbie begin spending more and more time with each other and finally end up moving in together, quickly becoming domesticated in spite of their fears. However, their whirlwind romance gets the better of them and, although they have strong feelings for one another, they break up. Emotionally devastated, they both attempt to move on while realizing that they may have had something more important than their supposed freedom.