Mrs. Gotrocks is just opening her safe when a shadowy figure tries to grab her entire collection of diamonds. She is able to close the safe just in time to save them. She places a call to the Finkerton Detective Agency which in turns calls Inch High. He has Gator retrieve the electric hushmobile so they can begin protecting the jewels. When Mrs. Gotrocks shows Inch High the diamonds the lights go off and the jewels disappear. Inch High is now on an investigation to find the jewels before they disappear forever.