The Grand Duchy of Siberia is under threat: hordes of mutants are approaching from the Big Cauldron beyond the Ural ridge. Under the walls of Sibirsk-on-Ob, the creatures can be stopped, but neither the city nor the principality will survive a second such invasion. There is only one hope left - for the Pomeranian community, which keeps an old map of military installations. Perhaps with its help it will be possible to find surviving warehouses with weapons manufactured before the Massacre, which are now in such short supply. The expedition to Solovki is led by Viktor Tesov, nicknamed Golden. Travelers will encounter battles with sea monsters and Viking pirates, captivity and escape, the glory of frantic berserkers and the recruitment camp of the Landsknechts of the Holy Inquisition...