New boarding school student Ernessa (Lily Cole) casts a captivating spell upon classmate Lucy (Sarah Gadon), leading Lucy's friend Rebecca (Sarah Bolger) to jealously retreat to the comfort of an obsessive friendship with her English teacher (Scott Speedman) and a vampire novel. Soon, Rebecca begins to suspect Ernessa's charms might be of a supernatural origin. "American Psycho" director Mary Harron's unusual shocker co-stars Judy Parfitt, Gia Sandhu. 82 min. Widescreen; Soundtrack: English.