The story of Gwen Cummings (Sandra Bullock), a successful New York writer living in the fast lane and everyone's favorite party girl - until she gets drunk with boyfriend Jasper (Dominic West), borrows her sister's (Elizabeth Perkins) wedding limo and earns herself a stay in court-ordered rehab. There, Gwen comes face to face with a unique set of rules and rituals embraced by an assortment of interesting characters - Counselor Cornell (Steve Buscemi) and fellow re-habbers Eddie (Viggo Mortensen), Gerhardt (Alan Tudyk), Oliver (Mike O'Malley), Andrea (Azura Skye), Roshanda (Marianne Jean-Baptiste) and Bobbie Jean (Diane Ladd) - and eventually realizes that life is not one big party!