Her long-time boyfriend and her best friend are having an affair. Betrayed by those she trusted most, Ibom loses her love and her friendship all at once. Just as the 50 million won her ex borrowed vanishes into thin air, a mysterious man, Baek Dohyuk, appears. “People can’t help but look back once the thing they let go starts to shine.” Dohyuk proposes a plan: win back Park Woosung’s heart to get her money back. Thus begins a precarious fake relationship. But from the very beginning, this arrangement has had a hidden agenda…?