Rookie agent Ryan’s mission to investigate CEO Vincent takes a chaotic twist when an accidental kiss leads to Vincent’s sudden proposal. Posing as his fiancé to stay on the case, Ryan goes undercover as an intern at Vincent’s company—only to find another employee mistaken for the CEO’s lover. As Vincent’s genuine affection deepens, Ryan battles between loyalty to the agency and growing feelings. When the truth unravels and his cover is blown, Ryan aims a gun at Vincent, his hand shaking not from duty—but from a love that could destroy both their worlds.