The Doctor travels to England 1651 to find an alien artifact. What he finds instead is an old acquaintance, who he must help answer an age-old question: who wants to live forever?
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.