坚固庇护：防空洞里的安全与坚韧调教小秘书

　　Two friends come to Saur-Mogila - nurse Sergey from Russia and German Paul. They are looking for things from the Second World War and are suddenly transported to 1941, during the battles at Saur-Mogila. The heroes are faced with a choice - to stay and help or return to their own time.