An undercover investigation of Martin Creek Kennel by the animal rights group Last Chance for Animals. A young man named "Pete", who is an animal rights activist, gets hired by the Martin Creek Kennel. The owner is C.C. Baird and he is the one they want to bring down.

在蓝虎中，仲村亨扮演一个名叫正次的日本黑手党成员，身上有蓝虎纹身，故代号为“蓝虎”，哥哥也是黑手党的，身上有红虎纹身。他在一个书店里戴上恐怖面具，开枪射杀了许多人，其中一个是即将满5岁的小男孩。后来男孩的母亲为了复仇，在酒吧里打工，终于让她碰上了黑手党。她故意调戏红虎，想趁机杀了他，却反被红虎拿枪威胁。后来蓝虎阻止了哥…