FBI agent Ryan goes undercover at the Kline Group but impulsively marries its president, Vincent. As his cover unravels, love and duty clash, leading to betrayal, exposure, and an unexpected reunion.

Vincent, the cold, meticulous Kline Group president, impulsively marries Ryan after a bar kiss. Betrayed by Ryan’s FBI secret, he shuts him out—until a conspiracy forces him to reconsider their love.

Sandy, Ryan’s ruthless FBI supervisor, prioritises personal gain over morals, betraying the bureau with her cold, arrogant charm.

Mistaken for the president’s husband, he basks in the special treatment and belittles rookie Ryan. Proud, selfish, and vengeful, he thrives on humiliation and seeks payback.

Secretary to the president of the Kline Group and a good friend of Vincent. She is highly capable, loyal, and has a strong sense of approachability.

Department manager at the Kline Group, shrewd and opportunistic, with a touch of foolishness.