Ten months after dropping out of all-girl Tarble College, Ruby Rousseau is still haunted by the memories of her senior year, a time marred by an affair with her English professor and a deep depression that caused her to question her sanity. When a mysterious suitcase arrives bearing Ruby's name and address, she tries to return it to its rightful owner, Beth—a dorm-mate at Tarble—only to learn that Beth disappeared two days earlier.