It's 1940. German forces are prevailing over Allies across Europe. The crew of the Polish submarine, now serving in the Royal Navy, is waging a heroic fight against the invisible enemy.

• Di Factory
• Impakt Film
• Tomasz Ziętek
• Mateusz Kościukiewicz
• Antoni Pawlicki
• Filip Pławiak
• Tomasz Schuchardt
• Adam Woronowicz
• Rafał Zawierucha
• Jan Butruk