The game at the beginning describes how the protagonist Čenda started his career as a detective (this part is intended as a tutorial and an introduction to the story, the player himself has the option if he wants to advise in this part or he can do it himself as a professional adventure game player), after this "training ” we move in time 10 years later, and Čenda is already solving his cases by himself. He just received a case where the bone of a giant whale was stolen from the National Museum in Prague. That's basically the main plot, trying to figure out who stole the bone and what they did with it. The story takes place in many places - Prague (National Museum, Zoo, Wenceslas Square, etc...), Chotěboř (Chotěboř High School, Falconry).