Min-Ho's father ran a large company, but his death led to his uncle taking over the company and to Min-Ho's growing into a cutthroat investor. But then his personality changes when the merciless corporate head hunter undergoes a heart transplant surgery. Thanks to his new heart, Min-Ho begins to have warm feelings and he falls in love with a woman named Soon-Jung.

Kang Min-ho is suddenly thrust into the role of CEO upon the death of his father, who ran the company for 25 years. But his uncle Kang Hyun-chul kicks him out of his position and takes over. Because of this, Min-ho becomes a cold and ruthless investor. But after he undergoes heart transplant surgery, Min-ho's personality transforms into an innocent romantic and he finds that his new heart begins beating for Kim Soon-jung, his sharp and capable executive secretary.