Cassie, their daughter, plays a part as Ethan, a war - veteran, and Leanne, the CEO of Osborne Group, unexpectedly get married. Despite the mockery from those around them, Leanne stays loyal to Ethan. Ethan showcases his extraordinary abilities to safeguard their family from diverse dangers. Wrongfully accused of being a deserter and a fortune - hunter, Ethan finally reveals that he is the leader of the covert justice team, 'GUARDIAN FORCE.' Concealing his identity, he aims to unmask traitors and bring down a malevolent organization, all the while being a dedicated husband and father.