The Tin Drum German Die Blechtrommel is a 1979 film adaptation of the novel of the same name by Gnter Grass. It was directed and cowritten by Volker Schlndorff. Stylistically, it is a surrealistic black comedy.
In 1899, the grandfather of Oskar Matzerath, the main character, is being pursued by the police through rural Kashubia. He hides underneath the skirts of a young woman named Anna Bronski, with whom he later has a daughter Oskars mother. He evades the authorities for a year, but when they find him again, he either drowns or escapes to America and becomes a millionaire.Annas daughter Agnes has two lovers her cousin Jan Bronski, a Polish Post Office worker, and Alfred Matzerath, whom she marries. The two men are great friends. Agnes gives birth to a son, Oskar. Oskars father is uncertain Oskar himself believes he is Jans son. ........
Source: Wikipedia