The paintings of white lilies painted by a popular noble painter get damaged at Bath, a famous hot spring in England.  Feeling that he's seen the painting before, William goes to Bath, where he is reunited with Sherlock, who happened to be there to investigate the case.
That was the reason why the pictures
in the sketchbook grew worse.
Deshalb wurden die Entwürfe
im Skizzenbuch immer gröber.
Esa es la razón
de que sus bosquejos empeoraran
L’évolution du style de ses croquis
Explica o motivo dos rascunhos,
no livro de rascunho,