Ethan Vance, a war god, travels to the modern era and struggles to adapt, carrying a jade pendant to find his way home. He becomes the personal bodyguard of a female CEO, encounters Seraphina Moore in a jewelry store, cleverly solves problems, and receives guidance from a master to find clues. After many twists and turns, he understands the modern rules of survival and falls deeply in love with the CEO. Together, they fight side by side, commit to a lifelong relationship, and create a fulfilling new chapter.