Given that plot in its simplest definition is the structure of what happens in a story as arranged by an author. This being said, the plot of "The Most Dangerous Game" is as follows:
Introduction: Rainsford, a world-renowned hunter falls off of a ship.
Rising Action: Rainsford finds himself of an isolate island which belongs to General Zaroff. Zaroff welcomes Rainsford given their common liking of hunting. Zaroff tells Rainsford of his "new prey"-humans. Zaroff tells Rainsford that he will hunt him. Rainsford goes into the forrest to hide from Zaroff.
Climax: Rainsford "dies".
Falling Action/Conclusion: Rainsford kills Zaroff.
So, there you go. Typical to many short stories, the Falling action and Conclusion are combined.