Former FBI agent Sean Kruger has reconciled with his forced retirement and moved on to join his friends Sandy Knoll and Jimmie Gibbs in their private defense contractor firm. He is now in high demand as a fraud investigator. When two insurance executives make a surprise visit to Kruger's home office, he is asked to look into the disappearance of a 150-million-dollar diamond display from a museum in Chicago. Clues are non-existent,...