Whitney and Rainsford are headed to Ship-Trap island to hunt animals. When Whitney is sleeping Rainsford hears gunshots and he falls in the water. The boat is too far ahead of him now for him to hop back on, so he ends up swimming towards the direction he heard gunshots.
Rainsford finds a house that is on the island and in that house was General Zaroff and Ivan. They welcome Rainsford into their home and have dinner. Rainsford learns that Zaroff is a murderer when Zaroff tells Rainsford that he hunts people on the island, it was his "game". Zaroff is a fan of Rainsford, but decides that Rainsford will be the next one he hunts. This was his competition.
Rainsford gets picked for the hunt so he has to mentally prepare for it.
Zaroff creates the "game" and makes Rainsford fight in it for three days. Rainsford hides in the woods and up trees to make sure Zaroff doesn't kill him. Rainsford sets traps, which is how Ivan died and tries to cover up his path.
Rainsford sneaks up to Zaroff's room to finish the hunt. Once he gets up there Zaroff is surprised and tells Rainsford he has won the game. Rainsford did not think that was good enough so ke kills Zaroff.
Rainsford won the "game" and killed Zaroff, so he gets to rest in General Zaroff's bed. "He had never slept in a better bed, Rainsford decided."