PLOT

=The Plot...=
 * Gotten robs bank
 * Katharina takes him home
 * Police raid house but he's not there
 * News publishes story
 * Reporter harasses Katharina
 * She shoots him
 * She confesses to the police

Or, from Wikipedia...
Four days after a Weiberfastnacht party where Katharina has met a man named Ludwig Götten, Katharina calls on Oberkommissar Moeding and confesses to killing a journalist for the fictional newspaper, the ZEITUNG. The story then backtracks to the time when Katharina met Götten at a friend's party, to how she spent the night with him and how on the next morning, the police are knocking on her door and taking her down the police station to interrogate her. The man she met is a wanted bank robber and the police suspect she is helping him. Her story is quickly picked up by the local tabloid, the ZEITUNG, which sends a particularly dedicated journalist, Tötges, to investigate the story. Tötges investigates everything about her life, calling on all of Katharina's friends and family, including her ex-husband. He paints a picture of Katharina as a fervent accomplice of Götten, and as a communist run amok in Germany. Katharina decides the only reasonable thing to do is to get her story out. She agrees to give an interview to Tötges, believing it will clear everything up. But the story Tötges publishes is anything but what they talked about. Instead it talks about how "cold and calculating" she is and begins to cast suspicions on her father and brother. Katharina then decides she needs to know what kind of man Tötges really is, that he could so callously destroy her life. She only wants to look upon him, though she admits to taking a gun with her. She goes to the paper's headquarters and waits for him, but he never shows, and after two hours she goes home. But Tötges follows her home, rings her doorbell and forces himself in and calls her "Blümchen" and "Blümelein" (patronising forms of her last name). He wonders why she looks so startled. He then proposes they "bumsen", a vulgar term for sex, roughly meaning "to bang". And Katharina thinks, "Bang? Why not?" lifts her gun out of her handbag and shoots him. She then wanders the city for a few hours before driving to police headquarters and confessing to Moeding.