Seojin, a Korean who was adopted by a family in Germany spends his childhood there where he meets Han Jei, a fellow Korean like him. For 15 years, Seojin unknowingly develops feelings for his best friend, Han Jei. One day, Jei tells Seojin that he is going to get married to a woman, which deeply pains Seojin. Not wanting to ruin his friendship due to jealousy, Seojin moves to Korea and quits his job in Germany. Jei impulsively chases after Seojin, not knowing his best friend's true feelings. As spend time together Korea, Seojin realizes his feelings are harder to tame than he thought....... Will things work out or will their friendship be ruined?