第 648 集: 澤古川要於毛利偵探社與三位小說家對峙，探討妹妹美羽之死

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Isao Sawaguri came to the Mouri Detective Agency and brought together three female novelists he believe are responsible for his younger sister Miku's death the previous month. Isao threatens to blow up the Agency unless Kogoro reveals to him the truth about his sister's death and reveals her murderer (Source: TheTVDB)