The incident at the Han River puts a spotlight on Nam-soon. As Kang Hee-sik spends more time with Nam-soon, he connects the dots about her family.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.