Complex sentence: The movie revolves around aliens from the planet Zoran, sent to Earth to fight against professional wrestlers from the United States and the Soviet Union, who prove actually to be man-eaters who devour their opponents upon defeating them in a wrestling match.
Split into simpler sentences: The movie revolves around aliens from the planet Zoran who are sent to Earth to fight against professional wrestlers from the United States and the Soviet Union. The aliens are actually man-eaters who devour their opponents upon defeating them in a wrestling match.