Soo Yun saves Moo Ja from getting beaten up by the group of brokers whom he chased down before. However, one of the men electrocutes Soo Yun, and he falls to the ground. Moo Ja sees electric currents running through Soo Yun's body. Meanwhile, Yeo Reum calls Soo Yun to see if he is okay, but he does not pick up.

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.