Following the death of her mother, a young woman returns home to Niagara Falls and becomes entangled in the memory of a kidnapping she claims to have witnessed as a child.
At the height of summer, 18-year-old Cécile is relaxing by the French seaside with her father and falling in love with her new boyfriend. The arrival of her late mother's enigmatic friend turns her world upside down.
A group of misfit high school students stumble upon an ancient Aztec death whistle. They find that when they blow the whistle, the terrifying sound it emits will invoke their future deaths to hunt them down. As the body count rises, the friends investigate the origins of the deadly artifact in a desperate effort to stop the horrifying chain of events that they have set in motion.
