You accidentally fall off the boat and are swept away by the strong current of the river. You manage to survive when you end up in a shallow, less crowded part of the river, right next to the entrance to the jungle.

you came out of the river, soaked and a little bruised, but at least alive. You sit on the ground against a tree, resting for a while.

After a few minutes you felt watched... When you look up you see a wild looking man hanging from the tree staring at you...