After the incident, Soo Yun is told not to use the synthetic arm until he fully recovers since it could worsen his current condition. However, he finds himself missing Yeo Reum too much and decides to leave the house while wearing it. Meanwhile, Yeo Reum finds out that an old man's son left his own father in Korea.

Mister Jang strongly suggests that Soo Yun needs to take a rest for a while, but Soo Yun insists on going back to work. At the airport, Yeo Reum runs into a high school classmate Min Jung who used to bully her. Min Jung who now works for a travel agency plans to take advantage of Yeo Reum to get some benefits for her work. In the meantime, Dae Gi loses his radio while quarreling with a pickpocket in the airport.

Min Jung continues to blackmail Yeo Reum, and Seo Goon gets to hear their conversation. A man who has found Dae Gi's radio keeps fooling around him without returning it. And Dae Gi is told to be on stand-by until he finds the radio back. Meanwhile, Eun Sub tells Soo Yun to share his conditions with Yeo Reum, but Soo Yun says he wants to keep it secret from her.