Cho In is a very gifted doctor who has everything that he wants whereas his older brother, Seon Woo, is jealous of all the attention that Cho In receives. Seon Woo blames his brother for taking everything good in his life away from him. Seon Woo blames Cho In for getting their father's love, getting more recognition as a doctor, and for stealing the woman he loves.
Yu Takada (Ryosuke Yamada) works at a company. Since he was a kid, his father has always favored his smarter, older brother. His father doesn't seem to care much about Yu, but Yu craves affection from his father.
One day, Yu meets a woman by chance. That experience wasn't that good, but he begins to have feelings for her. Yu then learns she is his older brother's girlfriend.