Witney and Rainford were on a boat. They were heading to Rio to hunt jaguar. Witney decided to head off to bed and Rainsford stayed up to watch the ocean.
Rainsford heard three gunshots in the distance and decided to investigate. He stepped up on the edge of the railing and leaned over the side of the boat so that he could see better. As he was leaning to catch his pipe he fell of the boat.
He swam to an island and showed up to this random guys house that was the only one on the island. WHen he got there a dude dressed real nicely welcomed him into his home and gave his food and pajamas. He told him about how he hunts humans and plays this game with them where they have three days and if they are caught in three days they win.
General Zaroff then decided that he wanted to play the game with Rainsford. Granted Rainsford did not want to play he had to to because the only other option was to get whipped to death.
Rainsford was given food and a knife and sent off into the woods. He built traps and climbed trees. And for three days he ran from General Zaroff.
FInally after three days Rainsford ran Away. But then he came back and attacked General Zaroff and killed him and his assistant. Of course as promised Rainsford had won even though now he is stuck on an island.