Youngmin and Kwangmin are identical twin brothers who love each other very dearly. They spend time together, stick together, and have some of the same interests. But then the twins are introduced to a girl named  Sunghee. That's when the twins slowly drift apart. Both Youngmin and Kwangmin had fallen in love with Sunghee and create a huge argument between each other which then leads to a life changing disaster. What happens to the twins? Will they get along again and live happily?