At the request of their daughter Celia, Edo, a veteran, and Luna, a CEO of Orion Group, marry suddenly. They face ridicule from friends and family because of Edo's disguised profession as a dishwasher at a restaurant. Luna supports Edo as he always protects them from various threats. Unfairly branded a traitor and a money-grubber, Edo finally reveals his true identity as the leader of the secret justice group, 'THE GUARDIAN SQUAD.' He hid his identity to wipe out traitors and dismantle an evil organization, all while being a devoted husband and father.