You Make Me Dance TV Show | Where to Watch?: 1x1

A Red Thread

Si On listens to his favorite radio station on the bus and realizes a man next to him, Hong Seok is also listening to the same station as him. Three years later, Hong Seok, the general manager of Chachacha Capital, hands in a letter of resignation. However, Soo Ryeon does not accept the letter and asks him to go after Si On.