Mihai, the 'Weepy Old Killer': A former hitman now trying to live a quiet life but haunted by the deaths of his victims and his lover. Badou, the 'Gun Smoker': A chain-smoking 'information broker' and hired gun whose reckless fa?ade hides a serious intent. Naoto, the 'Blade Maiden': A preternaturally skilled swordswoman with a single desire: revenge against the assassin who cut down her family. Heine, the 'Stray Dog': A cipher with a metal collar bolted to his neck, a disturbing talent for mayhem, and a childhood sacrificed to the thing known as 'Kerberos.' Driven by their ghosts--both dead and alive--and their desire for truth, all are struggling to solve the secrets of the past while surviving the dangerous present--by gun and sword and courage and luck.