It is the year 2191, and Earth's blissful existence was governed by a master computer. Then suddenly, its master control program malfunctioned, and people panicked ensuring total chaos. Secret Agent Nova is called in to locate agents located in six sectors. These agents hold an ID card which Nova must acquire to gain access to the security room within each sector. There, he must defeat the guards and obtain secret tape units, and if Nova obtains six of these, he will be able to gain entry to the control center and defeat the guard to destroy the computer and restore order to society.