Ken Zabel is forced into a deadly game where he must cause Lambert Group to lose $1 billion within five minutes or everyone will be killed. Despite frantic attempts to hack into the company's systems and drain accounts, poor signal and a blast wall block his efforts. With only one minute left, Ken learns the main fiber line to the stock exchange runs behind a steel-plated wall on Floor 19, but cutting through it is impossible. As time runs out and losses barely mount, the group faces a grim fate with no clear way to succeed.