Tired of the protracted, senseless and bloody Thirty Years' War, Landsknecht Michel decided to leave the battlefields and join the free brotherhood of sea robbers. To do this, he is hired as a sailor on a whaling schooner. Mastering a new craft for himself as a whaler and, at the same time, against his own will, sincerely becoming attached to the skipper’s young student Ian, who suffers from a categorical rejection of the sight of blood, Michel nevertheless harbors plans to seize the ship. But the terrible memories of the damned war do not leave the former mercenary, and he has only one choice... The novel “Sea Mercenary” is the final part of the dilogy of the famous writer Sergei Udot about the adventures of the brave landsknecht Michel.