Two people have known each other for so long, yet they didn't know each other well. It was the meeting for them, for the man to fix this off and for the woman to know the truth. In the end, it was about them after all. 

Lay, a quiet yet ambitious person, left alone by his sister and Kara, his sister's best friend have to accept the fact that a tragedy could change their relationship. Although it is likely unbelievable but, no one could avoid what happened.