The Secret of the Madam and Her BodyguardEpisode 51

Claire, the heiress of the White Group, enters into a contractual marriage with Ryan, her father’s killer, to avenge her parents and bides her time patiently. She hires Frank, a former peacekeeper, as her personal bodyguard. Amid the perilous aristocratic circle, the two gradually grow wary of each other at first, then risk their lives to protect one another. Crossing the boundaries of social status and hatred, they join forces to uncover the truth behind the fire eight years ago and bring the real culprit to justice.