A young woman is found floating in a river off Merritt Island, east of Orlando, Florida. And as the circumstantial evidence piles up, the shifting story of one suspects' timeline ultimately becomes the smoking gun.

Amid rumors of buried treasure at a Louisiana pet cemetery, the property's reclusive owner is found wrapped in heavy chains at the bottom of a river. Somebody wanted her to disappear, but it will take over 20 years before police can find her killer.