Henry Hart leads a double life as a high schooler and the superhero sidekick, Kid Danger. While deeply in love with Y/N, he hides his dangerous reality to protect her from his enemies. With his mentor Captain Man, loyal friend Jasper, and the brilliant Charlotte helping to keep his secret, Henry struggles to maintain his fragile balance. However, as villains begin targeting Y/N and his lies start to crumble—revealed by combat injuries and strange temporal glitches—Henry faces a desperate race to keep his identity hidden and the girl he loves safe.