The Red Death is running rampant through the country and so Prince Prospero decides to lock himself and others in his castle to stop the spread to himself and others
After many months of locking himself away from others, he decides to let in his close friends to come and join him for a party
There were 7 different rooms in his castle all of the varying colors the last one being the most eeire being black with red windows and an ebony clock that chimes every hour
As the clock strikes midnight a new guest appears dressed in a black cloak and the face of someone who was affected by the red death. Prospero gets angry at the man who showed up at the party unannounced that he tried to kill him.
As Prospero tried to kill him he died. All of the guests after that follow to where Prospero had died to also try and kill this mystery man only to find out that there was no one under the cloak.
All of the guests died from the Red Plague from the man who had entered the castle.