In this adventure, Tintin is tasked with protecting a forgetful professor in a Balkan nation, but a cunning local criminal attempts to distract him by kidnapping two children. Meanwhile, the professor's invention, a machine capable of duplicating any object, holds the key to resolving the situation.
Tintin et le lac aux requins
Tintin and his companions hurry to Professor Calculus' rural research facility, where they discover the genius inventor and two young locals held captive, facing danger from malicious individuals seeking to exploit his groundbreaking discoveries.
