Fred and Ellie are twins who share a love for video games but struggle with other aspects of life, such as sports and dealing with bullies. Their world changes when they receive a mysterious video game controller from an enigmatic figure known as the Mystery Man. Unlike any controller they've seen before, this one doesn't just control their games—it has the power to control people. As they experiment with this newfound power, they realize it might be the solution to all their problems, but they soon discover that tampering with people's lives comes with unintended consequences.