Introduction: Yoon Yiyoung鈥檚 schedule is packed with work to the point that she hasn鈥檛 found the chance to go out on a date. One day her friend recommends her to attend a blind date not knowing that she would meet a man she once knew.That man was Cha Muyeol, the current director of S Group鈥檚 shareholding company鈥檚 headquarter and director of S Group Medical. They had also once shared a moment in their youth.After having separated and forging a path of their own for the past 13 years, Cha Muyeol had come to fulfill the promise they made in their past: marriage....