The shore was rigged with lights to give the illusion of a channel, when in reality there were jagged rocks. The forest is also full of huge trees and underbrush. There is a swamp filled with quicksand on the southeast side of the island.
Rainsford was on a hunting trip with his friend Whitney when he fell off the boat. He ended up on ship trap island where he met General Zaroff. Zaroff then said he would hunt Rainsford for three days. And he would let Rainsford live if he survived all three days.
General Zaroff lives on ship trap island with his servant Ivan. He thinks he has found the perfect animal that can reason to hunt. Zaroff meets Rainsford when he shows up at his door. Zaroff decides to hunt Rainsford and ends up losing to him.