Cousin Sarah (2011)

Release Date: 2011-10-31
Runtime: 1h 36min
Production Country: United States of America
Director: Jenni Gold

Crystal, a teenage girl residing in Northern California with her mother Linda, gets an unannounced visit from her cousin Sarah, who becomes their houseguest for the summer and soon after unleashes her dark secret on Crystal, turning her life and the lives of others into a living hell.