Story : So Bong prepares a surprise party for Namsin3. Jae Shik takes Namsin3 to a spa, and Namsin3 picks up his gift for So Bong. Nam Sin finds the kill switch and tries to destroy Namsin3, but Laura gets a call from Ye Na and tries to stop him. Meanwhile, Jong Gil finds out that Nam Sin, Namsin3, and Laura is heading to a construction site and follows them.