Hollandia-Films Haarlem

Bohemian drama. A woman falls in love with a struggling artist, who later becomes famous and decides to leave Venice for a lucrative career in Paris.

A captain saves a kidnapped magnate from a nursing home run by foreign agents.

After serving in the Royal Navy, Manus, Toon and Dries return to Amsterdam working-class quarter 'the Jordaan'. Back home, they find out things have changed while they were gone; Manus's girl Jans has been unfaithful to him, Toon's father now rejects him on account of his dissolute life and barmaid Auntie Piet has been cooking up a scheme to ruin Dries' relationship with his girl Greet.

Annie falls in love with a circus clown, but her circus-hating father forbids their romance. Until a fire breaks out...

In 17th century Holland, a faction of royalists is scheming to restore the monarchy and jail the De Witt brothers, who control the Republic. At the same time Tulip Fever is raging, and bulb-grower Cornelis van Baerle tries to obtain the secret of black tulips. Van Baerle will soon find himself threatened by radical royalists and rival bulb-grower Isaac van Boxtel.

On the verge of getting married to Marijke, young and insecure detective Jozef is assigned the case of a murdered factory girl. His relationship is threatened when he becomes madly infatuated with Carmen, the alluring prime suspect.

A séance proves a ghost compelled a spiritualist to kill his rich father.

Young poacher Hendrik van Norden has seriously wounded a game-keeper, who has not recognized him. There was, however, one witness: captain Van Oort, but he promises to keep silent. Five years later Hendrik has become a lighthouse-keeper and is courting Annie. Van Oort is also trying to win Annie's affections, and in his jealousy he decides to remind Hendrik of what he knows about his past...

The secret from the title is the lost recipe for shiny Delft pottery, that Jan Vogel is desperately trying to rediscover. For his attempts he needs platinum, but the funds run out because the factory owner Van Haaften has lost his money in stock-speculations. Luckily for Jan, he finds a farewell letter in the park, including a large sum of money. Meanwhile, the owner's son Leo confesses his love for Jan's daughter Annie, but Van Haaften forbids their marriage.

An old traditional family and a modern family battle over land in a small English village. The original silent version of a film Hitchcock later adapted with sound.