Young Billy Batson, who can transform into the superhero Shazam by uttering a magic word, continues to grapple with the dualities of his adolescent life and his responsibilities as a hero. His adoptive family, who also possess superpowers, strive to support him while navigating their own identities as heroes. Challenges of teamwork, trust, and self-discovery are central as the group learns to harness their abilities collectively. Their unity is put to the test as the existence of ancient gods is unveiled, posing a threat far beyond any they've encountered before.

A trio of vengeful deities arrives on Earth to recover a powerful artifact that was stolen from them and to unleash their fury on the world. The newfound gods' immense powers and wrath cast a shadow of impending doom. Billy/Shazam and his family must confront the looming menace with all the might and courage they can muster. They begin to understand that the synergy of their powers and the strength of their bond may be the key to overcoming the godly adversaries standing before them. The conflict escalates rapidly, endangering their lives and the fate of the planet.