An affair between a longtime lover and a close friend. Betrayed by the two people she trusted most, Lee Bom loses both love and friendship at once. And just when the 50 million won her ex borrowed from her disappears as well, a suspicious man named Baek Dohyeok appears before her. “People always end up looking back at what they let slip through their fingers once it starts to seem more precious.” Baek Dohyeok proposes a deal: win back her ex-boyfriend Park Wooseong’s heart and recover the money from him. And so begins their dangerous fake relationship. But from the very beginning, there may have been another motive hidden behind it all…