Complex sentence: In 1944, with the help of Russian mystic Grigori Rasputin, the Nazis build a dimensional portal off the coast of Scotland and intend to free the Ogdru Jahad--monstrous entities imprisoned in deep space--to aid them in defeating the Allies.
Split into simpler sentences: In 1944, the Nazis build a dimensional portal off the coast of Scotland. With the help of Russian mystic Grigori Rasputin, they intend to free the Ogdru Jahad--monstrous entities imprisoned in deep space--to aid them in defeating the Allies.