Isaire is a man worn down by a monotonous life filled with humiliations. One day, a mysterious customer leaves a strange stopwatch on the counter. Isaire discovers he can stop time. Initially intoxicated by this freedom, he quickly descends into abuse: theft, manipulation, a sense of omnipotence. This dizzying experience distorts him and leads him to violence. When control slips from his grasp, he is confronted with what he has become — and there is no escape.