Inspector Steineland always tries to put himself in the victim's position, this time an unsuccessful pianist. Just then, the victim's mistress, Barbara, entered the apartment, looking like a real bitch. Surprised by surprise, she accused herself of a crime. But the inspector was not convinced because everything in her confession did not meet her requirements, especially the tone she used. During his investigation, Steineland foiled the trouble of a person protecting Barbara. It should be her brother, right? Even if you were a police officer, could you turn down a girl like her?