In this Exposition scene, Rainsford and Whitney are on an island. They are looking around the island where they settled down. Whitney sounds sort of scared of whats on the island, but Rainsford seems confident.
Climb down, I've got you now!
In this seem, Rainsford is on a boat smoking, when he hears a loud scream. He goes towards the end to investigate, but ends up falling overboard. He eventually swims to an island, and meets Zaroff.
I gotta get back!
In this scene, Zaroff tells Rainsford that he hunts humans for fun. He releases them into the wild, gives them supplies and a time limit, and hunts them down with dog. So he decides to play the game with Rainsford.
In the hunt, Zaroff eventually finds Rainsford using his dogs and his skills. He has done this multiple times so he's very smart and knows their moves. Rainsford realizes that he has nowhere left to go, so he jumps in the water.
In this scene, Rainsford swims back to the house to win the game. Eventually he gets back to the house and Zaroff finds him. Zaroff congratulates him.
When Zaroff meets him at the house, he congratulates him. Zaroff tells him to get some sleep after winning the game. At the end, Rainsford goes to sleep and Zaroff feeds the dogs.