Yoo Minhee finds her boyfriend cheating on her. On her way home, she runs into her childhood friend ...
yoo min-hee, who just witnessed her boyfriend cheating on her, returns home crying and runs into her childhood friend park hee-min. after seeing min-hee crying, hee-min proposes to min-hee that the two of them make a love contract…?!
these two people were once best friends, but as time passed, they drifted away from each other. what will happen to this love countdown they started?