1960 Bill Pendleton read in his grandfather's will. In 1940 his grandfather received a shipment of twelve large diamonds hidden in a sack of coffee beans in his import business. Six months later no one show up.

His, grandfather send the diamonds to his friend Sam in Los Angeles CA. Who is working in the prop department of a movie studio. Sam is making a statue of a blackbird for a movie. Sam hides the diamonds in the blackbird.

They plan to get to gather later and steal the blackbird. But they both died before getting to gather.

Bill contacts Sam's granddaughter. Ellen, together they search for the lost statue of blackbird stuff with diamond one will die.