Yes, it's Mass Incarceration, the horror movie!
In this horrifying film for people who don't like to go to church, a religious fanatic who has decided that people don't go to church enough anymore fixes up an abandoned church, booby traps it, and then proceeds to abduct an unwilling "congregation" who can never leave, sitting through endless masses forever, and if they try to leave, they're killed horribly!
Is this their just punishment for being part of a godless society? Will any of them make it out alive? Will they be redeemed? Find out in the exciting horror thriller: Mass Incarceration!