Tucson, AZ, 1965: When Gretchen Fritz and her sister Wendy leave for a movie and never come home, police must infiltrate the tight-knit world of Speedway teens to discover the disturbing truth behind the girls' disappearance.

Berkeley, CA, 1955: Little Stephanie Bryan has disappeared without a trace, and police will have to use every tool at their disposal, from newspaper reporters to bloodhounds, to solve the mystery of Stephanie's fate.