“神探坤潘”是泰国历史上的著名传奇英雄，据说格斗、枪械无一不精。在泰国民间广泛流传有大量关于坤潘的夸张传说，包括具有法术和长寿。影片讲述在第二次世界大战后，警探坤潘退役后娶妻生子。四个候选人被地方匪帮绑架，中央调查局委托坤潘出山救人。坤潘带领警队深入匪帮，全军覆没但坤潘依靠巫术生存。匪帮掌握政府高层腐败秘密，政府为消灭罪证，收买歹徒妄图屠杀匪帮。
Based on the novel by Karel Capek, the prominent Czech writer of the early 20th century who coined the word robot for his play R.U.R., the story revolves around a discovery of Krakatit - a powerful explosive - by Prokop, an experimental scientist who, following an accidental explosion in his lab, slips in and out of delirium. When he realises that, in a delirious period, he has given the formula for making Krakatit to one of his colleagues, he tries to find the man, who does not realize how dangerous a thing Krakatit is. In the process, he nearly gives his discovery away again to foreign interests, a group of anarchists, and even greater forces of darkness...
