Kang Min Ho's father ran a large company, but his death led to his uncle taking over the company. Min Ho grows into a cut-throat investor seeking for revenge. He's diagnosed with a heart disease and is only given a little time to live. Because of a miracle he gets a heart transplant and gets to live, but his personality changes after the surgery. Min Ho who used to be cold-hearted, begins to have warm feelings and he falls in love with a woman named Soon Jung who is his uncle's secretary. He then realizes the true meaning of love and happiness. Lee Joon Hee is Soon Jung's childhood friend who will form a love triangle with the leads.