In the beginning where the prince was in the castle and everyone was having a party. They had this party inside the castle because everyone was afraid of the "Red Death"
Everyone is dressed up and in the ball room enjoying the party.
suddenly a new guest arrives at the party and no one knows who it is
The guards all go after the red death because he was interrupting the party, they chased him until he got to the last dark room. then they didn't chase him anymore, because they were afraid of what it could do to them.
This is the last room in the castle where the red death was chased by the king.when they came face to face the red death had killed the king and also everyone in the castle , and then he vanished