Shin Ha Ri is a hard-working employee who has carried quiet feelings for a close male friend, only to learn he is already dating someone. Hurt and frustrated, she meets her friend Jin Young Seo, an heiress tired of blind dates arranged by her family. Young Seo asks Ha Ri to attend a blind date in her place and offers to pay her for the trouble. Ha Ri agrees and goes expecting to be turned down.
The plan collapses when she realizes her date is Kang Tae Mu, the demanding CEO of her company. Tae Mu is tired of his grandfather’s constant matchmaking and has decided to marry the next person he meets on a blind date just to end the interference. He believes Ha Ri is Young Seo and sees no reason to delay.
The following day, Ha Ri receives a call from Tae Mu. He tells her he wants to marry her, setting off a complicated and unexpected dynamic between a CEO determined to follow his plan and an employee trapped in her own disguise.
At the start, FL has a long unrequited love story with her friend, but it never becomes a triangle and has no impact on the main romance.