With a freewheeling personality, Yoon Tae-O is a 20-years-old freshman in college. He has been friends with Han Song-Yi since they were little. Now, he begins to have feelings for the girl who has a bright and positive personality. Meanwhile, Tae-O has a friend, Seo Ji-An, who is well-behaved and exemplary. A love triangle brews between these three people.
