影片根据真实事件改编，英国训练两名捷克斯洛伐克士兵，刺杀纳粹党卫军头目莱因哈德·海德里希，行动代号"类人猿"

Czechoslovakia, 1942. Three brave Czech patriots risk everything to rid their country of its brutal Nazi leader, SS-General Reinhard Heydrich.

　　黑色電影的影像加間諜片的驚險，根據真實事件改編，費立茲‧朗這部反納粹電影有著豪華的陣容，戲劇大師布萊希特、音樂家漢斯‧艾斯勒等流亡美國的德國文化巨星參與創作，華裔攝影大師黃宗霑掌鏡。外號「布拉格劊子手」的德國佔領軍高層在布拉格被剌殺，剌客得到反抗人士幫助逃脫。德國人拘捕數百無辜人質，要求交出剌客，否則殺掉人質報復。逃脫的剌客要如何救回人質？

该片讲述了二战期间震惊全球的利迪策惨案：1942年6月4日，纳粹德国派驻捷克斯洛伐克的头目海德里希，在布拉格近郊遭抵抗组织伏击，一周后伤重不治身亡，阿道夫▪希特勒勃然大怒，亲自下令实施针对当地平民的野蛮报复。

In 1942, a young paratrooper in the RAF returns to Czechoslovakia to encourage his fellow countrymen to sabotage the German war effort.

The assassination of Heydrich in Prague during WWII.

The plot begins in the Soviet Union showing first efforts to establish the Czechoslovak legion in 1942. The film also shows the assassination of Heydrich and the subsequent annihilation of Lidice. The main topis of the film is battles with German troops for Sokolovo.

The true story of the massacre of a small Czech village by the Nazis is retold as if it happened in Wales.