It all started with a misunderstanding: Seungyoon is a struggling musician, looking for new song ideas on the top of a high building. Seunghoon works in marketing and thinks Seungyoon wants to jump and kill himself. He decides to safe Seungyoon - who is very confused about it. Will this encounter change both of their lives?

Mino is sitting at the beach, enjoying the sunny weather when an unknown boy with three cameras around his neck suddenly appears and takes a photo of him. When he goes to ask the stranger why he did that, the stranger smiles at him. "You just looked very beautiful.”