yle=color: rgb(17, 17, 17); f>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 Ar…

A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the ground.