Cassie O'Malley has spent the past two and a half years in a mental institution--dumped there by her mother, against her will. Now, at 18, Cassie emancipates herself, determined to start over and reclaim her life. But when the unhealthy mother-daughter relationship that defined Cassie's childhood and adolescence threatens to pull her under once again, Cassie must decide: whose version of history is the truth, and whose life must she save?