Scotland Yard must discover why people are being murdered by a monstrous dog at Blackwood Castle.

Oskar Matzerath, son of a local dealer, is a most unusual boy. Equipped with full intellect right from his birth he decides at his third birthday not to grow up as he sees the crazy world around him at the eve of World War II. So he refuses the society and his tin drum symbolizes his protest against the middle-class mentality of his family and neighborhood, which stand for all passive people in Nazi Germany at that time. However, (almost) nobody listens to him, so the catastrophe goes on…