In September 2004, Hurricane Ivan was barreling towards the Florida coast when Michelle Jones decides to invite her Aunt Teri and Uncle Charlie to ride out the storm. What was intended to be a fun visit turns into something much darker.

When Mary Rose's 15-year-old daughter, Annette, takes up with 41-year-old Felix Vail in 1981, Mary is concerned. But it's not until Annette disappears three years later without a trace, that Mary begins to discover Felix's dark history.

June 12, 2016: nearly 200 people are partying at Pulse Nightclub, a haven for the LGBTQ community. After last call, 29-yr-old Omar Mateen opens fire, killing 49 people & injuring more than 50 in the deadliest mass shooting in U.S. history.

1997, suburbs of Seattle: A body is found in a park and police are on their way to inform the victim's family, when they trip on the scene of a massacre. Their investigation leads them to Seattle’s Goth scene.

On September 10, 2003, in Joliet, Ill., Mexican immigrant Felipe Ulloa tells his wife Eloisa that he is going to a local bar to collect a $75 debt. He never returns. Police discover his charred remains in the back of a burnt-out vehicle.

In 2009, police uncover the most grisly murder scene in New Mexico history. After uncovering human remains on the West Mesa, Albuquerque PD launched an unprecedented investigation that leads to a serial killer on the loose.

Elizabeth Shoaf was forced into Vinson Filyaw's rape dungeon for ten days until she managed to escape.

Hard-working family man Chris MacCallum disappears while on a camping trip deep in the forest along the border of California and Oregon.

In Southwest Florida, Terrance Williams, a young father, disappears. As his mother retraces his steps she uncovers something ominous: the last known person to see Terrance alive has a strange and disturbing connection to another missing man.

Hard-working family man Chris MacCallum disappears while on a camping trip deep in the forest along the border of California and Oregon.

Young Idaho girl is kidnapped by a brutal killer. A nationwide hunt for her ensues, but it's two people at a restaurant who see a little girl accompanied by a strange man. Their gut instinct says Its Shasta, and they're right.

Life is good for 12 year-old Garrett Phillips, until he's brutally attacked while home alone. His killer jumps unseen from a window and investigators are left with a vexing mystery that rattles the otherwise peaceful village of Potsdam, New York.

In the fall of 2005, Becky Sue MacDonald, a loving mother of four, breaks up with her abusive boyfriend and moves in with a relative to make a fresh start. When she goes missing, some wonder if she's hiding from her ex, but others suspect foul play.

Sarah Jo Pender is implicated in the double murder of her roommates, was she the puppet master or an innocent bystander? Even the prosecutor has his doubts.

Kristina Jacobson is kidnapped from her home. A high speed car chase ends in a standoff between the kidnapper and police sharpshooters--who worry that Kristina could get caught in the crossfire.

Alaska teenager Bonnie Craig leaves her house to go to class, but ends up being found murdered and sexually assaulted in Chugach State Park.