During a visit to friends, Sara begins having visions and is attacked by an unearthly creature in her friend’s swimming pool; she soon discovers that anyone who comes into contact with the water is in danger and she is driven to confront the mystical and malevolent creature lurking in the depths

The television crew of the "Scary Antics" hidden camera show sets up a disturbed young man for a practical joke, but the joke is on them when heads roll.