1942 in Helsinki. The state of Finland has made an alliance with Nazi Germany. One man alone is trying to stop the Finnish security services which were operating in secrecy, to turn over Jewish refugees into the hands of Gestapo.
1941. Chumphon Province, Thailand. Mok and his ragtag unit of young soldiers are thrown against the invading Japanese forces. The invaders bring with them a terrifying biological weapon, unaware that it has plans of its own.
Amidst the Boshin War's brutal conflicts, a motley squad of criminals and samurai undertakes a desperate defense of a fortress, their stand triggered by clashing interests of the Shibata clan, the shogunate, and the new government.