由一桩荒诞的“卫生巾杀人魔”案件展开，讲述了几个在日本的中国人，阴差阳错地卷入一场黑帮斗争，与日本毒枭斗智斗勇的故事。他们一个是帮派面临倒闭妄图自裁的帮派老大、一个是吊儿郎当的黑导游、 一个是残暴歹毒的黑帮毒枭、一个是唯利是图的歌舞伎町老板、一个是胸怀大志却碌碌无为的警 探，每个人为了达到目的经历了一番复杂而有趣的遭遇。
　　主角刚正是一个在日本漂泊的“老炮儿”，亲手建立的帮派日益衰落，试图自裁却意外卷进命案，发现了惊人的秘密。对正义与规矩的坚守，使他选择与日本黑帮毒枭正面对决。

　　Sheila Hood is an ex-cop whose marriage is on the rocks. Rather than confronting her husband about an affair, she hides surveillance cameras in her home and watches his transgressions, becoming a voyeur of her own life. Her husband, Tom Kale, is an ornithologist who begins an affair with an ex-girlfriend, Merle James, whose beauty and fragility echoes that of the birds he studies. Ray Starling, the charismatic owner of a boutique hotel, is Merle’s lover, and has dealings with her father, Mr James, a powerful oil baron who operates in the shadows but whose influence touches the whole city. Merle’s younger sister, Hazel, is also drawn to Tom, but trapped in Starling’s web of power. Calvin is an cop whose loyalty to his ex partner, Hood, is tested when mounting evidence from her own surveillance tapes connects her and Tom to Starling’s murder, and perhaps even Merle’s mysterious death.

　　故事描述一名英国记者为了调查百名欧洲女子皈依伊斯兰教，并前往伊斯兰国加入ISIS的原因，创立了一个假帐号，与叙利亚的圣战士展开了交流，试图得到更多资讯，但对方一心只想娶她为妻。然而在身份不断切换之时，这位记者也逐渐迷失自己。