Mary (Barton) is sent to an all-girls boarding school where she meets and bonds with her two new roommates, Paulie (Perabo) and Tory (Paré). The three girls quickly become inseparable.
But when Paulie and Tory's lesbian love affair is exposed, Tory's family pressures her into ending their relationship, leaving Paulie devastated and Mary torn between her two closest friends.
Based on the novel The Wives of Bath by Susan Swan.