The Secret of Delft

Jan Vogel, foreman at the Van Haaften pottery, is busy with a new process for painting porcelain, but so far his experiments have failed. His employer, also in financial difficulties, cannot give him more money. Van Haaften objects to the relationship between his son Leo and Jan's daughter Annie. Jan promises to try to keep them apart. Annie, who earns a living playing the piano in a cabaret, is p…