Her Secret, His Regret

DramaBox synopsis

Undercover agent Madeleine is forced to betray lover Ethan, who nearly dies protecting her. She secretly donates a kidney to save him but hides the sacrifice, while Emma falsely claims to be the donor. Five years later, reunited with tycoon Ethan—now bitter and engaged to Emma—Madeleine navigates deadly missions. Hayes, a powerful figure with lingering affection for her, lures her with safety and power, pressuring her to choose between him and Ethan. As lies unravel and dange