Morty: The Dream Oracle

I had a dream last night, this is what I saw, well, at least what I can remember of it:
There were two boys that were in their early twenties and one of the boy’s parents. They were cheerfully having lunch or tea in their front garden. The weather was nice, not too hot, not too cold. They seemed to be talking about a house, where the two boys were to stay together. Suddenly (I think) one of the boys appeared in a room, which had two white doors and two beds. He had a chain around his foot, which was chained to his bed. The doors were splashed in blood and so was everything else; the floor, the beds… The other boy (whom I couldn’t see) was trying to get in and was violently banging at the doors, he had knives and was pushing them through the door. The boy who was on the bed had a knife too (I think) and he was trying to cut off his leg so that he could escape (I felt a bit angry ‘cause that happened in a film I knew about). I can’t really remember what happened next, but it was a VERY tense situation and I thoroughly wanted the boy to escape but he couldn’t, it was quite disgusting too.