In the beginning, Rainsford, a well-known hunter, fell off this boat by Ship-Trap Island. He swims to the island, finding a mansion and General Zaoff and his companion, Ivan. General Zaoff then told Rainsford if he survives three days when the General hunts him, he would be able to live.
Rising Action #3
One the first night, Rainsford use the Fox Trail technique, and hid in a tree. General Zaoff soon picked up on the trail and found Rainsford, but let him live.
On the Second day, Rainsford built the Maylay Man Catcher. This hurt the General's shoulder. The general goes home to dress his wound and eat, leaving Rainsford out in the forest, planning the next step trying to survive.
Rainsford then goes to Death Swamp where he built a dangerous pit and planned to kill the General with it, but soon found out that he killed one of Zoaff's dogs. The next day, he built a India knife trick, but instead of killing Zoaff, the knife trick killed Ivan.
Being chase to the edge of the cliff, Rainsford dives in the water and rethought his plan.
General Zoaff thinks its over and he won the game but then realized that Rainsford survived and we infer that Rainsford killed him.