What if there is a murder of a person who personally knows one of the two investigators Hana Vítková and David Winkler? Will the person concerned conceal the fact that could exclude him from the team and allow him to find a murderer? Because who else can feel stronger motivation to track down the murderer than the closest friend of the victim? But each coin has two sides. At all costs, the effort to turn out the murderer and revenge, darkens the mind and brings man into dangerous situations and places he would rather avoid if he did not want justice so much. But there is the blind lady at all?