The body of a young girl was discovered on the seashore near Lisbon. Investigating her death, Inspector Ze Coelho discovers that the murdered high school student did not lead a virtuous lifestyle. However, it turns out that neither suspicious friends nor the surrounding drug addicts have anything to do with the death of Catarina Oliveira. The roots of the crime go back to the distant past; in some mysterious way, the Abrantes family is connected with it, which during the era of dictator Salazar enriched itself by trading with the Germans. But when the criminal ends up behind bars, and all the media unanimously praise Ze Coelho, the inspector comes to the conclusion that the real killer is a completely different person...