Captain Saxon, and agent for the top secret Omega agency, has been given the assignment of tracking down and either capturing or killing the crew members of a secret space mission who returned to Earth against orders. It seems that they were all infected with an alien parasite, and they were trying to bring its eggs back to Earth. The eggs were lost in an accident, and both Saxon and the astronauts are trying to locate them. What could the government want them for?

A group of friends head to Las Vegas for a bachelor party.. only things go wrong and a woman is killed. Soon, the bodies are piling up and the friends find themselves turning against one another as the coverup builds.