The evil Paper Doll Man enters the Pentagon by making himself paper thin and steals a top secret plan which he intends to sell to the highest bidder. The Impossibles are summoned and it seems that The Paper Doll Man only got half of the plans and they know he will return to steal the other half. The Impossibles make a plan and use three decoy plans to fool him. the Paper Doll Man returns and finds the fakes one by one and also finds The Impossibles as he finds the plans. He escapes each time and then finds the vault where the real plans are hidden. He goes in and finds it. He hides in the file drawer where they are when he hears The Impossibles coming. Multi Man uses pepper in the drawer to make him sneeze and they catch him. They then mail him to the F.B.I.