The Dragon King, disguising his royal identity, lived a secret life as a security guard. His only desire was to marry the powerful female CEO he had fallen for. She, however, mistakenly thought of him as just a humble guard and rejected his proposal. He continued to work diligently, earning her trust and admiration, but she remained oblivious to his true nature. Despite numerous challenges, she eventually discovered that the hero she idolized was none other than her would-be husband.