A classical art professor and collector, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend.

When Willi's father is abducted and is only released for a valuable statue from his art collection, Tim is the only one who believes Willi that the police are on the wrong track. Together with the smart policeman's daughter Gaby and the highly intelligent outsider Karl, they start to investigate on their own. Against all odds the four discover a conspiracy. In the course of their first big detective adventure they grow together into a committed community, and so Tim, Klöschen, Karl and Gaby become the band TKKG.

Mary, a woman with good intentions, takes pity on Henry, an artist with no home. What begins as a simple offer to come inside from the cold for tea gradually turns into more. Before the unsuspecting woman knows it, Henry, his family, and his friends con their way into her home. Eventually, Mary creates a ruse to rid herself of the parasites, but they have a different plan.

Year 1763, the Seven Years' War is about to end. August III, Elector of Saxony and King of Poland, has died, leaving empty the royal treasury and an extraordinary collection of paintings, sculptures, jewelry and goldsmith masterpieces, which he considered a symbol of his greatness, and that of Dresden, one of the European capitals of Baroque art.

The story of one of the most controversial characters in art collecting whose name continues to provoke and divide. Francesco Conz tried to exceed the border between art and life. An entrepreneur from Veneto, in the mid-1970s he decided to give up everything he had to devote himself with great determination to his devouring passion for the artistic avant-gardes of the second half of the twentieth century, which would turn into a real obsession until the tragic ending.