There is a Prince named Prince Prospero. He is at his castle, meanwhile there is a disease of "Red Death" is going on in the town. Once you catch the symptoms of this disease, you have 30 minutes before you die.
The guest in the castle start to hear the ebony clock ring and they stop what they were doing to listen, then they go back to what they're doing. They hear the bell again and they start getting cautious.
There's this uninvited guest that arrives at the party. He had blood on his mask and dark looking clothing. His cape was drenched in blood and his mask was somebody's face who he had killed.
Prince Prospero and his rich friends point out the Red Death and they are after him. Prince Proserpo goes after the Red Death with his dagger. The Red Death ran into all the rooms trying to confuse the Prince. Finally, he gets in the middle of the hallway and kills the Prince and all of his friends die with him.
At the end of the story, the Red Death kills the Prince and all of his friends drop dead.