1937年天津沦陷,伪政府横行。叶清轩身为“书生杀手”为恩师复仇,与抗日锄奸团合作,刺杀汉奸方贵、揪出幕后黑手日本人铃木。后加入锄奸团,和队友捣毁汉奸组织,建秘密电台,破日寇阴谋,热血抗战超燃!。An anthropologist from an alien planet provides voice-over commentary for a documentary look at human courtship, mating, and reproduction: "complex, perverse, tragically beautiful: the earthbound human." The commentary gets some of the details comically wrong (explaining the slap on a newborn's back: "they don't like the looks of the child so they beat it"), but gets right the ...。