Teenager Max McGrath (Ben Winchell) discovers that his body can generate the most powerful energy in the universe. Steel (Josh Brener) is a funny, slightly rebellious techno-organic extraterrestrial who wants to utilize Max's skills. When the two meet, they combine together to become Max Steel, a superhero with unmatched strength on Earth. They soon learn to rely on each other when Max Steel must square off against an unstoppable enemy from another galaxy.