After a sudden accident leaves Suhyeon with amnesia, two irresistibly charming men—Taebin and Gonghyuk—appear before her, each insisting that he is her boyfriend. To uncover the truth, Suhyeon begins a perfectly "legitimate" two-timing relationship, dating both men until she figures out who her real boyfriend is. But the more time she spends with them, the more suspicious they seem. Who is Suhyeon's true boyfriend? And what fragments of betrayal are hidden within her lost memories? Where will her extraordinary double-dating journey ultimately lead?
