Anna saves the frog from her brother, plays into the fairytale and sees him turn back into a prince.

Although Anna still doesn't entirely believe that Dietbert actually comes from the Middle Ages, she takes responsibility for him, first taking him shopping for a more current outfit.

Dietbert's new haircut helps him blend in a bit better, but he has developed a few strange tendencies over the years. Meanwhile, Anna tries to get her mother's permission to host him.

Master Gorm has also survived and reveals that a cruel fate awaits Dietbert.

Dietbert is convinced that he can win Anna's love, but Anna is more focused on hiding his identity from her family and other students at her school.

When Dietbert goes missing after being transformed back into a frog, Anna fears the worst.

After resorting to some desperate measures, Anna finds Dietbert again.

With Raoul and Lukas scheming to expose Dietbert, Anna takes him to her fencing lesson where he becomes very jealous of Anna's role model.

Dietbert's behavior drives Anna away, so he goes looking for love elsewhere. Meanwhile, Raoul's plan isn't working so well...

After dragging him out of Vanessa's party, Anna tells Dietbert she is still willing to try to help him reverse the spell.

Dietbert explains his problem, and it becomes clear that Anna not only wants to help him, but also really likes him a lot.

Master Gorm finds a solution to Dietbert's problem, but neither Dietbert nor Anna is very happy about it.

Anna's soul-searching gets cut short when she learns that Dietbert is pursuing a dangerous plan.

Anna catches up with Dietbert in time, but will she be able to save him?

Lerchenberg is a satirical sitcom produced for ZDF's 50th birthday. The plot centers on Billie, a young ZDF editor who wants to develop innovative productions for the station. When her supervisor tells her that washed-up actor Sascha Hehn, of all people, is going to get a lead role, Billie is stunned.