以为是老大II金三角风云

　　Jessica and her companions Markus and Mike visit an abandoned factory. But the lost place turns out not to be that lost. Natalia Orlow and her paramilitary army try to hide a bigger secret. And they will keep anybody from leaving the facility alive.
　　The course of events turns out to follow one evil plan of one desperate person. And Jessica herself is the key to its fulfilment. To avert the worst, Jessica needs to fight. For her friend Markus. For her father. And for her life. Until there is only ONE SHOT LEFT.

民国初，无人能敌的女掌门叶如舟重伤失忆后，流落贫民弄堂民福巷，阴差阳错的爱上了游手好闲的陈阿旺，为了解决当地豪强郑绝后对民福巷的压迫，叶如舟大展拳脚，却带来了巨大危机，最终叶如舟如陈阿旺一道，共同守护着民福巷的安宁。