When a woman’s five-year-old son in Niagara Falls, New York, suddenly develops epilepsy, she becomes determined to figure out what made him sick. What she finds leads her to one of the biggest cover ups in American history.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

A mother in Fresno, California races her young son to the emergency room after he goes limp and his eyes roll back in his head. It turns out, the boy was poisoned. And the true culprit was something no one ever saw coming.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

A semi-pro tennis player nearly drowns in the pool when she suffers sudden, cramping pain in her midsection. Her doctors fear she has cancer, but then they realize that other people are showing the exact same symptoms.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In the summer of 1999, a mysterious outbreak rages through New York City, paralyzing and even killing its victims. Doctors scramble for a solution, not realizing the answer is lying at their feet.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

A young woman working on a fishing vessel in Alaska begins experiencing a strange burning sensation in her eye. What she finds inside her eyelid makes her skin crawl.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In the summer of 1846, a young doctor is thrilled to join Austria’s prestigious Vienna General Hospital. But he soon discovers that new mothers in one of the hospital’s maternity wards are dying at a disturbing rate. He desperately seeks an answer for why it’s happening… and what he finds changes the field of medicine forever.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

“Gut Instinct”In the summer of 2021, a doctor celebrates his retirement with a rafting trip in the Grand Canyon. But shortly after he gets back, he begins experiencing debilitating stomach pain. Desperate to figure out what’s wrong with him, he tries to diagnose himself. He suspects the answer is a horrible disease that people rarely survive. “Into the Woods”After a camping trip in the summer of 2009, a woman develops a gruesome rash that covers her body with painful welts and makes her mouth bleed. Multiple doctors can’t figure out what is wrong with her – because the answer is something few physicians would ever suspect.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

On Christmas Day, 2008, a surfer living in Hawaii wakes up with a splitting headache and itching all over his body. Soon, the man is comatose and nearly brain-dead in a hospital as doctors struggle to understand what’s happening. His doctors don’t think he’ll recover, but his mother refuses to give up hope – will her belief be enough to save him?See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 2012, a healthy high school volleyball star suddenly has to fight for every breath she takes. Within a few weeks, she’s on the list for multiple organ transplants and needs a refrigerator-sized machine to keep her alive. Her doctors have no idea why this is happening to her – until the answer comes from a place nobody ever expected.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

In 2007, a worker at a pork processing plant in Minnesota suffers nerve damage so severe that he can no longer move his legs. Within a few months, his co-workers begin to develop similar alarming symptoms. Investigators search for a common thread, and what they find is more disturbing than anything they could have imagined.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.