In "Rollercoaster (1977)", a thrilling blend of suspense and action unfolds as a mysterious saboteur wreaks havoc at amusement parks across the country. As a rollercoaster safety inspector races against time to catch the perpetrator before more lives are at stake, tension mounts with each heart-stopping twist and turn. With a gripping storyline that keeps you on the edge of your seat, "Rollercoaster" delivers adrenaline-pumping thrills and unexpected twists that will leave you guessing until the very end. Join the ride as the race to unravel the mystery intensifies, leading to a suspenseful showdown that will have you holding your breath. Get ready for a pulse-pounding experience that will keep you guessing and leave you craving more.