The discovery of a murder case forces Balko and Krapp to meet with police officer Alicia Ruiz (Tamara Romera Ginés), Balko's stepdaughter. Alicia has a new colleague at her side: the young inspector Pedro Hernández (Oscar Brose) who has just left police school, bringing with him all his ambition and bringing a new air to the investigation. Together Balko, Krapp, Alicia and Pedro delve deeper into their investigations and uncover an exciting scandal.