It's pre-hysterical! Millionaire playboy caveman Millstone Rockafella arranges a wild n' wacky BC bike race and the winner receives the ULTIMATE BOULDERDASH BIKE. Cool n' crazy CLIFF ACE has had his sunglasses set on a Boulderdash Bike since he was knee-high, so he signs up for the race - taking his cave-babe ROXY along for the ride! But he faces some rock-hard competition in the form of Sid Viscous, Granite Jackstone and several other fast n' fierce opponents!