"Johnny" (Ray Danton) is an ex-soldier drafted in by the US authorities in Germany to help investigate the death of one of his old army pals. Not long out of prison, he is keen to clear his name and is soon on the trail of a clever gang who are counterfeiting cash and taking advantage of the post-WWII confusion to, quite literally, make a mint. His search is further complicated by the involvement of both his father - the policeman who gives him the gig in the first place and with whom he has a strained relationship; and with the widow of the murdered man "Maria" (Leigh Snowden) who is as keen t...