Was in such an act, that Van Baerle meets the beautiful daughter of the jailer, Rosa Gryphus. Cornelius loses everything but had kept the bulbs of the tulips, that were expected to be black. In midst of loss and sorrows, Rosa helps him to grow the flower in the jail. The two develop a great love story, even though it was not the main subject, but love gives Cornelius courage to not give up his fancies and expectations. Rosa is seen by him as a brave and virtuous girl, not held by her father vices, but strong in her own pursuits.