第 1 集: RIS追殺殺手B，Keith Flick在列車戰役中揭發更大規模的盜竊案

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The Royal Investigation Service (RIS) pursue Killer B for a series of murders of suspected criminals. A survivor of the latest attack is recruited by Quinn, a member of a mysterious organization, to steal a prototype weapon and go on a rampage, luring out Koku. Savant detective Keith Flick sees through the diversion to an even greater theft. Using superhuman powers, Koku and Quinn battle atop a runaway train, the wreck of which is later used to leave the Killer B signature.