Night of the Twelve (German: Die Nacht der Zwölf) is a 1949 German crime film directed by Hans Schweikart and starring Rudolf Fernau, Ferdinand Marian and Mady Rahl. It was made at the Bavaria Studios in Munich in 1945. It wasn't released before the end of the Second World War, and its eventual premiere took place in 1949. It was one of several crossover films from the Nazi era to debut during the Allied Occupation of Germany.

A grieving husband tries to uncover the truth behind his wife's suicide, leading him to discover a tragic tale of infidelity and redemption.

In this notorious Nazi propaganda historical costume melodrama, a conniving, ambitious Jewish businessman, Süß Oppenheimer, snares a post as treasurer to the Duke of Wurttemburg by showering the corrupt duke with treasure and promises of even greater riches. As the Jew's schemes grow more elaborate and his actions more brazen, the dukedom nearly erupts into civil war. Persuaded by the Jew, the Duke all but scuttles the constitution and alienates the assembly by lifting the local ban on Jews in Stuttgart. In a final outrage, the Jew rapes a wholesome German girl and tortures her father and fiancée. When the Duke succumbs to a sudden heart attack, the assembly of Elders try the Jew and sentence him to death for having "carnal knowledge of a Christian woman".

An English peace judge in an Irish district is married to an Irishwoman. She is a caring patriot. He is heavily indebted by a life of luxury, and doesn't shy away from dark deeds to maintain his lifestyle.

Trapped in Puerto Rico, a beautiful young Swede is torn between her passionate, but mildly abusive South American oligarch husband and her longing for her European homeland.

A princess visiting in the hotel where a famous singer is staying,helps him out on the piano when he has dismissed his accompanist. he uses her again later,but when her betrothed,a prince,suspects her of being in the singer,s bedroom she runs away to another city to work incognito.But the singer turns up there as well and reconciles the lovers.

An engineer is hired to plan and oversee the construction of a undersea tunnel between Europe and the US. However, certain interests don't want to see the tunnel built and use every means at their disposal, including sabotage and murder, to stop its construction.