Her father Kang Hyung-do cheated on her mother Oh Jung-hee, which led to their divorce.

He is now married to a much younger woman, Byun Joo-ri, but still has lingering feelings for his ex-wife.

Because of Hyung-do's infidelity and the trauma of breaking up their family, Jae-mi becomes skittish of smart and talented men like her father.

Not ready to give up on their marriage, Jung-soo hires a lawyer to invalidate their divorce, the smart and sharp Byun Dong-woo.

They begin as enemies, but Dong-woo falls for Jae-mi and he becomes one of her solid supporters as her success story unfolds.