Everybody a superhero inside of them, it just takes a bit of magic to bring it out. In Billy Batson's case, by shouting out one word, this streetwise fourteen-year-old foster kid can turn into an adult superhero, courtesy of an ancient wizard. Still a kid at heart, inside a ripped, godlike body, he revels in this adult version of himself by doing what any teen would do with superpowers: have fun with them! But he'll need to master these powers quickly...

The film continues the story of teenage Billy Batson who, upon reciting the magic word "SHAZAM!" is transformed into his adult Super Hero alter ego, Shazam.