AD 40. Roman naval officer Marcus Frontoand his colleagues are progressing overland to unknown territory somewhere near modern Chester. They are conducting a survey and informal reconnaissancewith the secondary objectives of cultivating local chieftainsand identifying strategic mineral deposits. It is an unknown, largely undifferentiated, land.So sailorly skills come in very handy. The British tribes are at war,are divided in their attitude to Rome,and besides these many unexpected perils confrontMarcus and his shipmates.Not to worry,... Caligula has their back...