By the end of January of 1889, Archduke Rudolph, heir to the throne of Austria, and his lover, Maria Vetsera, were found dead, in the royal hunting lodge of Mayerling.Various theories came, immediatly to life, being the double suicide, the most popular. The mother of RUdolph, Empress Elizabeth, asked her friend, Von Kruger to expose the killers of her son, as she did not believe in the suicide version. Kruger asked Sidney Orebar to come and help.On the other hand, Count Pavel, the russian agent infiltrated in the Illuminati, told Marion Shuster, the german agent, that the Illuminati did it, having recruiting for the effect, the mercenaries of Madame Chu.So, again the secret services of Germany and Britain joined efforts to demask and eliminate the killers. Another big adventure.