Captain Gotoh and Police Chief Fukushima are investigating robberies of Automatic Teller Machines. It is obvious that Labors have been used in these crimes. Strange graffiti is left in chalk at the scene of each crime. Gotoh believes it is somehow connected to the crimes. He also discovers that the same Home of the Sea terrorists they have dealt with before could be behind these robberies. The SV2 must stop the criminals before they strike again.