As the country explodes under racial tensions after the assassination of Martin Luther King, writer Romain Gary, humanist and animal lover, and his wife, star Jean Seberg, civil rights activist, welcome an abandoned dog into their home, trained to jump at the mouths of blacks: a White Dog.

A misfit group of unwitting high school students stumble upon a cursed object, an ancient Aztec Death Whistle. They discover that blowing the whistle and the terrifying sound it emits will summon their future deaths to hunt them down.