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

Norwegian Mystery Serial (Mini) with detectives Helmer and Sigurdsson. Made late 1970s. Quite good for its age.