After losing her mom in an accident, a teen and her father welcome a distant cousin named Sienna into their household. Hoping to claim the family as her own, the psychopathic Sienna hatches a devious plan to recreate the prom she never experienced.
as Sienna Lawton
as Tony Wilson
as Maya Wilson
as Luke Wilson
as Jake Davis
as Hannah Wilson
as Tyler McNichol
as Violet
as Dorothy Lawton
as Kat Merritt
as Police Officer
as Lauren King
as Police Officer
as Police Officer
as Saleswoman
as Janet Macturn
