Tessa Parks, daughter of the president, has the best hiding place ever for her piggy bank. So when it disappears, she figures somebody must have stolen it. Is there really a thief loose in the White House? Meanwhile, a metal detector says there's gold buried on the White House South Lawn; but when the First kids have a look, they find only a hold in the ground. Is there a link between the two mysteries? And can too-energetic White House dog Hooligan track the culprit? FInd ou in the fourth installment of the funny, fast-paced First Kids Mysteries!