A serial killer is purposely released from an asylum for the criminally insane so that he can continue his rampage.

An Australian couple take a sailing trip in the Pacific to forget about a terrible accident. While on the open sea, in dead calm, they come across a ship with one survivor who is not at all what he seems.

A group of hunters search for their missing leader who disappeared while tracking a legendary creature on a mysterious island. The hunters struggle through rough terrain and unexpected obstacles as they attempt their rescue mission. As the journey becomes increasingly dangerous, the hunters find themselves becoming the prey of an unseen force.

Rick Morgan, an American engineer who runs a mine in East Africa, is approached one day by his friend Jim Scott, who needs someplace to store canisters of toxic waste. Unfortunately, a spill occurs a short time later, resulting in deaths and Morgan having to leave the country. A year later, he is approached by a government agent looking for a missing supply of potentially hazardous poison, which in truth hides something even more valuable.