A couple watch a 1950s B movie which seems awfully alien to them.
When Richard, a stuck up solicitor, meets Mary, his life is turned upside down.
When impulsive Rebel Hannah goads her friends into summoning a demon for some hellish hijinks, the gang are totally bedevilled by what they bring to Earth. It's a demon alright, but one in training who needs help to "earn his devil horns"!