This is an automatically translated description

The King of Bohemia is being blackmailed by the adventurer and socialite Irene Adler: King Ormstein once had an affair with her, but they broke up later. Now the king intends to marry a woman whose background matches his status, but Irene threatens to prevent the wedding by passing a compromising photograph of Ormstein and her to the bride's family. The king wants Holmes to get this photo at all costs.