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.

In order to make Si On practice hard and better prepare for his audition, Hong Seok goes to Si On's part-time job, pretending that he's Si On. The part-time job turns out to be modeling for a photoshoot. And Hong Seok happens to overhear that Si On's rival is coming up with a scheme so that Si On can't win the audition.

After finding out that Hong Seok is living with Si On, Su Ryeon decides to send Hong Seok to an overseas branch. Hong Seok begs her to let him stay with Si On. Meanwhile, Jung Hoon finds out that it wasn't Si On who came for the photoshoot and picks a fight with Si On. This fight leads Si On to get injured.