Where Stars Land S01 E18 What’s Soo Yeon to You?

After the incident, Soo Yeon 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.