
S01E01 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...
Not knowing who has signed the contract for him as a cosigner, Si On wonders why it is that Hong Seok is being nice to him. On one pretext or another, Hong Seok continues to support him whenever Si On needs someone. Meanwhile, Jung Hoon refers Si On for a part-time job, but something seems off.
Song Shi-on, a dance student disowned by his family, forms a romantic bond with debt collector Jin Hong-seok, but their relationship faces many obstacles.