The sleepy town of Sparrow, Oregon is considered cursed for good reason. Two centuries ago, three sisters were sentenced to die for being witches. Drowned in 1822, the trio comes up for air each summer long enough to inhabit the bodies of three weak willed girls with the intention of luring boys to the swimming hole for a fatal plunge. When a 17-year old named Penny Talbot falls for a newcomer named Bo Carter, she becomes determined to see he does not become one of the drowning victims