简介：Four 22 year-olds on a Mexican road trip seem bound for disaster until they, and their trip, are unexpectedly redeemed by a series of miraculous events.
简介：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