Superhero Captain Atomic faces an unexpected challenge when, during a handshake with Joey, a 12-year-old admirer, his unhappy sidekick turns him into a powerless puppet. Stripped of his abilities, Captain Atomic soon understands that the key to restoring his powers lies in collaborating with the boy. While this is a thrilling opportunity for Joey, it is less so for Captain Atomic. Despite their differences, they forge an unusual and clumsy alliance, emerging as the city’s latest superhero team, dubbed Atomic Puppet.