"Rattlesnake" is a suspenseful thriller film directed by Zak Hilditch. The story follows a single mother named Katrina who is driving cross-country with her daughter Clara. When Clara gets bitten by a rattlesnake, Katrina seeks help in a nearby deserted town. There, she encounters a mysterious woman who offers to save Clara's life in exchange for another. As Katrina struggles with the moral dilemma, she must make a decision that will have dire consequences.