Continuation of the adventures of the detective brothers, who, to their misfortune, agreed to help a lady in trouble. Last time, Rishi and Meket Dinalt managed to defeat the sinister Myra Metaru and her faithful assistant Argus, but not everything is so simple. Argus has escaped and is now making new plans to capture Rishi and use his hidden power for his own dark purposes. Both brothers are well aware of this, and in a desperate attempt to protect themselves, they decide to contact the cunning smuggler D'yuma, who is rumored to have there is a key that can not only stop Argus, but also turn the general idea of what the powerful and mysterious Shadows really are upside down.