Tom Slick wasn't the coolest race car driver but at least the funniest. With his never-fail optimism, Tom would repeatedly have to face cheating competitors. Leading the crowd’s trademark "Boo!" and "Yeah!" was Tom’s sassy grandmother, Gertie.

When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan and Mullivan to act as bodyguards. In short order, we discover that there is more to the attorney than meets the eye, and the ape may be innocent after all. When a pretty young heiress faces peril, it’s up to our heroic trio to save the day.