Pla Thong's friend Tod dies but his unfinished business means he can't move on. Pla Thong helps Tod figure out what that unfinished business is, and they realise how each other feels in the process.
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.