The novel “The Widow”: Colonel from Ahnenerbe” is a continuation of the novel “The Widow”: the Archive of the Tsar’s Professor” (Can be read as an independent work). In the spring of 1942, the personal representative of Reichsführer SS Himmler, Colonel Baron von Runsdorff, the head of one of the departments of the Ahnenerbe organization. His goal is the archive of Professor Pilchikov. A group of state security captain Kravtsov is working in occupied Kharkov. They are also hunting for the professor's archive.