Germany, 1929. Helmut Machemer and Erna Schwalbe fall madly in love and marry in 1932. Everything indicates that a bright future awaits them; but then, in 1933, Adolf Hitler and the Nazi Party rise to power and their lives are suddenly put in danger because of Erna's Jewish ancestry.

Helvi's world is turned upside down when she discovers the existence of a technically advanced Elfkin gang that, in stark contrast to Elfie’s own clan, is second to none when it comes to fun and thrill-seeking. Can Helvi’s friendship with Bo, the youngest gang member, reconcile the two Elfkin clans after more than 250 years?

Reporter Jonas is supposed to be investigating a double murder, but then his luxury car is stolen overnight. He can't think of anything else, so he sets off on his own to find it. At his side is photographer Katja.