Fifteen-year-olds Jake and Peter share a burning desire to excel at as many extreme sports as they can, and to surpass each other in the process. They always seem to land themselves in the middle of an action-packed, adrenaline-pumping adventure while they're at it. In BMX Tunnel Run, the latest installment in Pam Withers' highly acclaimed series, the daredevil duo discover an underground maze of mining tunnels. Jake and Peter ride through their latest escapade on BMX bikes -- underground. Equipped with night-vision goggles, the teens have to defy a group of hostile riders as they struggle to find their way back to daylight. Along the way, the action is heightened when Peter is forced to deal with some personal misfortunes.