Transformation under duress is at the nexus of this excellent wartime drama by noted Dutch filmmaker Fons Rademakers. The setting is Holland under German occupation and young Ducker (Lex Schoorel) is surviving the war and an unhappy marriage the best he can. Then one dark night, a mysterious secret agent who looks remarkably like Ducker except for his black hair, parachutes into the young man's back yard. The secret agent, Dorbeck, enlists Ducker's help in his missions against the Germans, and before much time has elapsed, Ducker has joined the resistance fighters and is actively engaged in the anti-German, underground war effort. He becomes daring, confident, imaginative -- all the qualities missing in his earlier life. But then the war ends and brings an ironic twist to Ducker's career as a brave patriot.