In "Monkey Shines (1988)", a quadriplegic athlete finds a new companion in the form of an intelligent capuchin monkey trained to assist him with daily tasks. As their bond deepens, the monkey's behavior takes a dark turn, leading to a series of unexpected and thrilling events. This psychological thriller explores the complexities of human-animal relationships and the blurred lines between loyalty and danger. With suspenseful twists and gripping moments, "Monkey Shines" will keep viewers on the edge of their seats as the protagonist navigates a world where trust can be a deadly game.