10 Minute Free Preview: The Moth Diaries. Acclaimed director Mary Harron (AMERICAN PSYCHO, THE NOTORIOUS BETTIE PAGE) returns with the chilling story of Rebecca, a young girl who, haunted by her father’s suicide, enrolls in an elite boarding school for girls. Before long, Rebecca’s friendship with the popular Lucy is shattered by the arrival of a dark and mysterious new student named Ernessa (Lily Cole).