Seventeen are preparing for their latest comeback, but  Jeonghan suddenly gets the flu.

Where "I know" is no pretense. "I understand" is not a false statement.   7 boys that miraculously survived a tragic plane crash came to live together under one roof after feeling out of place in the society where they are rejected and not being understood. Only the ones that walked the same path may understand each other, thus a journey of the group of 7 boys in finding hope and mending their broken heart, dreams, and life. 

"To learn loving yourself could be the hardest thing you will ever do." A story about how people starts to face various obstacles in their life, coming to accept themselves for who they are and learning to love themselves before they are given the right to love others.