In the beautiful, European-style, calm city of Bruges, a more than strange incident occurred: two unknown persons entered the luxurious Degrof store. Diamonds and jewelry,” but without stealing anything, they collected jewelry worth twenty-five million euros and put it in hydrochloric acid. The note addressed to the store owner contained five mysterious words in Latin. Police Commissioner Wang-In, a professional and detective from God, is convinced: the incomprehensible act of the attackers is only a warning, new crimes are being prepared, and they are directed against Degrof. And the reason must be sought in the past of this person...