Some teenagers in an old house find that there's something evil in the water.

Jack Sadelstein, a successful advertising executive in Los Angeles with a beautiful wife and kids, dreads one event each year: the Thanksgiving visit of his twin sister Jill. Jill's neediness and passive-aggressiveness is maddening to Jack, turning his normally tranquil life upside down.

The story of two brothers who lead totally different lives. Jake Hunt enjoys life to the fullest in Thailand, while his shy brother Oliver deals with his own depressions back home in the USA. Their dominant mother wants Jake back home and for this reason, Oliver is sent to Thailand to retrieve his brother. Once there, Oliver finds himself in Jake's bizarre life and falls in love with a beautiful girl, Lek. However, it is not a coincidence that she and Oliver have met