A silent horror film directed by Robert Wiene from a screenplay by Hans Janowitz and Carl Mayer. It is one of the most influential of German Expressionist films and is often considered one of the greatest horror movies of the silent era - notable for having introduced the 'twist ending' in cinema and for its weird and distorted set design. Our hero Francis grapples with the deranged Dr.Caligari in a world which is not quite all that it seems...