舞台是浅草。初中二年级时，有一天，烟台、吉野义弘、吉野义弘和烟台三个人遇到了神秘的河童型生命体“Keppi”，并被强行带走，成为了一名河童。如果你想变回原来的状态，你可以通过“某种方法”创建一个连接，并带来僵尸的吉子玉。
Video artist Ryosuke visits the suburb of Furano in Hokkaido, tuikan.cc where his friend lives, in order to shoot a video. His car breaks down and Ryosuke decides to walk to a house and ask for a phone. The person that opens the door is his former girlfriend and first love Haruka. They meet for the first time in 23 years. Even though Ryosuke knows that she is married, he takes her to his video shooting and they get close. Ryosuke leaves Hokkaido in 2 days and he asks Haruka to spend one more day with him.
经大前田组组长英次郎（嵐寛寿郎 饰）调停，结城和久保田换杯结盟，而惹出祸端的久保伊之助（沼田曜一 饰）则遭破门（驱逐出帮会）惩罚。 在操办完父亲的法事后，阿龙如约来到熊谷寻找结城。此时熊谷正在营建兵工厂，工业废水和废料大肆排入农田，引起周边农民的不满和抗议。然工厂主大村（内田朝雄 饰）和陆军军官畑中（小松方正 饰）、黑帮头目富冈仁八（河津清三郎 饰）相互勾结，对农民进行镇压。结城代表农民三番五次与大村等人交涉，引来对方强烈不满。最终，他们指示流窜至此的久保伊之助刺杀碍事的结城……
