Hong Woomi has always loved Park Euijun all her life. But when she finally confesses to him, he flat-out rejects her because they practically grew up together. Heartbroken, Woomi tries to keep away from Euijun at their company, only to end up working with him on the same project. Little does she know, he added her to his team because he's been secretly in love with her all along! With Woomi trying to get over him now, will Euijun successfully tempt her to fall for him again?