Graham Harris and Connie Davis are trapped on the 
fortieth floor of a deserted office building by a 
psychopath the press calls "The Butcher." He has 
slaughtered the guards, short-circuited the elevators, 
and blocked all the stairways, and the only way for 
Graham and Connie to escape is to climb down the outside 
of the building. But Graham, an ex-mountain climber, 
suffers from a paralyzing fear of heights--the result of 
a fall from Mount Everest. Between them and safety are 
six hundred feet of sheer terror.