A scientist living in an apartment complex kills a girl and uses acid to destroy her internal organs, and then kills himself. While investigating, a doctor discovers that the scientist was doing experiments on the use of genetically engineered parasites as organ transplants. Soon, other people in the complex begin showing signs of carrying the parasites, spreading the things through wanton orgiastic abandon, and the complex begins suffering an attrition problem.

The scientist Susan Carter is researching the rehabilitation of addicts using an experimental drug in her rehab center. After her death, her idle son Brian Carter is forced by his friend Simon to travel to the property that he had inherited. Brian and Simon travel with five other friends to the spot and they find that the center is actually an ancient monastery and they have to spend the night. Sooner they are murdered, one by one, by creepy creatures that live in the place.

A scientist is testing a demonic drug on people in his secret lab. A cop and a female reporter try to stop him.

Jason Starr is an international spy. While on a mission there was an altercation and Jason disappears...