The cool kids of Clarence City are taking summer fun to new heights - they're going rock climbing. To top it off, middleman Matt has gotten himself invited! Worried that he'll come off as a newbie in front of the rising tenth-grade in crowd, Matt takes up climbing to build experience. He's even recruited his buddy Walt for the rocky ride, but will his self-taught crash course in rock climbing be enough to impress the cool kids and catapult himself into their squad?