Set in the changing world of the late 1960s, Susanna Kaysen's prescribed "short rest" from a psychiatrist she had met only once becomes a strange, unknown journey into Alice's Wonderland, where she struggles with the thin line between normal and crazy. Susanna soon realizes how hard it is to get out once she has been committed, and she ultimately has to choose between the world of people who belong inside or the difficult world of reality outside.

After breaking up with her girlfriend, a nightclub singer, Jane, answers a personal ad from Robin, a real estate agent with AIDS, seeking a cross-country travel partner. On their journey from New York City to Los Angeles, the two stop by Pittsburgh to pick up Jane's friend Holly, who is trying to escape an abusive relationship. With three distinct personalities, the women must overcome their differences to help one another.