Byun Baekhyun was once a brilliant, passionate researcher at the country's top university, known for his great work and dedication to his work. But all of that changed in an instant. A day in his life changed everything around him. It shattered all his aspirations and dreams into pieces which cannot be mended. He closed his heart to everyone around , the guy who always smiled and was with hope to do something in life , lost his essence and integrity. His parents, could not bear this , they made the difficult decision to intervene. With love and desperation, they thought to restore what was lost-arranging for Baekhyun to step away from the university and embark on a journey that would challenge him in ways he never expected. On the other hand Park Chanyeol , a military officer , whose life was just bound to protect the border towns of the nation, has his own scars and secrets. Can their story become a harmonious melody? Or even will this leave behind grief and wounds?