Marga Engel, a cook in a Bavarian guesthouse, has just had a little house built for herself. However, her housewarming party ends in disaster when she learns that she has been conned by the property developer.

Marga arrives in Leipzig at the office of Mr. Ohrmann, the head of the company that is taking her house.

When Marga Engel goes to the unemployment office, she meets a woman who is in urgent need of an experienced cook.

Nele Ebeling takes Marga home with her to work as a cook, and Marga makes an interesting discovery when meeting Nele's husband!

Marga meets Herr Ohrmann's daughter, who is studying law, and asks if she could get some legal help in exchange for teaching her how to cook.

Marga uses Herr Ohrmann's new BMW to get groceries and meets a nice stranger who—suspiciously—seems to know that the car is in trouble before the tailpipe explodes!

The dinner at Herr Ohrmann's home gets off to a rough start when his employee, Herr Schöller, starts behaving strangely, and Marga reacts in a way that is quite out of character.

Marga is very upset when she realizes that she has been working for the enemy. Ohrmann's daughter Olga tries to convince her to stay.

Marga is happy to move into the property's guesthouse with Olga, with whom she gets along quite well. The two decide to help each other with their problems with Herr Ohrmann.

Marga gets Dr. Gössel to confess that he tampered with Mr. Ohrmann's car. As it turns out, they have a lot in common...

Marga goes to the university library to try to study cases similar to her own against Herr Ohrmann. Later, she cooks him dinner.

Marga Engel gives Herr Ohrmann a new concept for how to deal with the existing tenants in an area he wants to develop.

Marga's new friendships continue to develop as she considers her options and tries to determine the best way to take down Mr. Ohrmann. At the same time, she has also begun to sympathize with him.

When the police come to search his house, Mr. Ohrmann entrusts Marga with incriminating documents. The window of opportunity is there, but Marga starts to feel quite unsure about the whole thing.

Marga confronts Mr. Ohrmann with her terms, but it may be too late for him to do the right thing and save himself.