Akira, Junpei, Keiko and Kumiko are members of the Rutz Detective Agency, and are always ready for a good case. When a mysterious murder places a top secret floppy disk in the hands of Junpei, the gang suddenly has a conspiracy on their hands of grandiose proportions. Not only have they made an enemy of politicians and shady characters, but also the munitions manufacturer company Yotsuboshi itself! With murder attempts, rampaging machinery and kidnappers to handle, the group must race against the clock to foil the evil scheme before it's too late!
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