Some characters from Der Ring des Nibelungen by Richard Wagner, such as Siegfried (Thierry van Werveke) and Brünnhilde (Stefanie Stappenbeck) appear in the film.

In the Middle Ages, the dodgy businessman Count Luipold Trumpf approaches the financially troubled King Gunther to court his daughter, Princess Herzelinde.

Aside from their quest constantly being disrupted by the people they meet during their travels, Lanze and Erdal also fall victim to an insidious plot by the royal family.

In the end, with the help of his friend Erdal, the naive knight Lanze becomes sensitive and learns to talk to women, and is allowed to marry his sweetheart Herzelinde.

The 1+1⁄2 Knights – In Search of the Ravishing Princess Herzelinde soundtrack album was released through Interscope Records on 19 December 2008, and includes the song "Walta Sattla", performed by Til Schweiger.