- From the Case Files of Oscar Jade. In 1942, private detective Oscar Jade is hired by a wealthy collector to retrieve one of the most rare and priceless automobiles in existence - stolen from his garage by his own grandson. Jade travels to Oklahoma - the last known location of the grandson, and the car - and follows a trail of shady contacts to discover a devious and expansive criminal conspiracy, where money and greed are everything - and lives don't matter. Buckle in! And take the ride.