Power play (4): beware of broken promises

'''Trust is easily found, but not easily kept.'' Conflict threatens to divide the QoolQuad and all because of a girl? After Matt risks his reputation to ask Isabel to the winter banquet, the rest of guys decide to back out and leave him to go alone with his ''date.'' Matt gets another cryptic laptop message that's even more frightening than the first. And to make matters worse, Gill's bugging Matt to use the laptop to help him. One event after another eventually leads to heightened tension and anger, that is, until a surprise visitor shows up. Will Matt decide to use the laptop to help his friend? And who's this surprise visitor? '