When a vivacious young escort, Shannan Gilbert, vanishes on Long Island's south shore in 2010, her disappearance leads police to discover the bodies of 10 other victims dumped by a serial killer.

In 2011, a 10-month-old baby girl goes missing from her home in Kansas City, Mo., and her family fears she's been kidnapped by a drifter, only to be accused by the police of being responsible for her disappearance.