Summer 1941: Hitler invades the Soviet Union. Convoys of cargo ships with war materials began the perilous journey to Murmansk, and ordinary sailors face the German superiority in the icy Arctic sea, putting their lives at stake.只保(⛓)留(🕷)了100积分，现(xiàn )在这个任务的1000积分，刚好解了他(tā )的燃眉之急。