A fit and active dance instructor is suddenly stopped in her tracks by unbearable abdominal pain and a mysterious mass in her colon that is revealed to contain decaying worms. And a scientist finds worms from Africa living under his skin and in his eyes.
A nine year old hockey prodigy is attacked by a brain eating monster and brought to the brink of death. A computer programmer from Virginia loses control of his mind when his body is invaded by the deadliest parasite on earth.
A three year old begins having extreme bouts of vomiting and diarrhea, her parents think she just has a stomach flu. But when she loses a third of her body weight in only a few days, they are left desperate and helpless.
A seemingly innocent cat scratch leaves a veterinary volunteer with a raised and growing wound on her chest. When it begins to move, she's horrified by the thought of a monster growing inside. And, A college student's arm begins oozing a strange liquid.
An Iraq war veteran wakes in the middle of the night with an uncontrollable urge to relieve himself, and he heads for the bathroom. The foot-long worm he pulls from inside him will change his life forever.
An 8 year old girl begins having daily stomach cramps, when the stomach pains become unbearable, a stool sample reveals that she's become a living refuge for a host of some of some of the most common parasites in nature.
A California man investigates hookworms as a way to cure his allergies, but there is just one problem no lab is willing to sell him any. You won't believe his radical action taken and the effect it has. Then an unseen bloodsucker gets into a writer's nose
After a biopsy of her intestine, doctors find thousands of silent monsters living in a mother's tissue, but she's never left the country. Three stories of parasitic infection with one thing in common. They're all native to America!
A 45 year old factory worker begins to go blind. Doctors suspect tuberculosis, until they realize he's infected with a deadly parasitic killer. Then, a local restaurant triggers a massive outbreak involving a particularly sinister parasite.
