Werner is a private investigator. One day, the rich and attractive Stella Hvidsteen visits him in his weary office. She says that her sister Evy has disappeared, asks him to find her, and adds that her sister has red hair.

The wealthy farmer sits safely on his ancestral farm, and the hard-working tenant farmer lives on the hill below. The horse dealer at the coach station will trick the innocent farmer, who is not so innocent after all, with cunning tricks. The mischievous boy who bullies the servants when his mother and father are away, the kind-hearted little boy who helps his grandfather when no one else will listen to the old man, the village eccentric who never tires of recounting his youthful adventures in the city, the worn-out wife who will not send her cow to the show at any price.

The Olsen Gang has traveled south after the success of their last coup, but there's still someone who hasn't given up catching them.