Complex sentence: The film stars Arnold Schwarzenegger and James Earl Jones, and tells the story of a young barbarian (Schwarzenegger) who seeks vengeance for the death of his parents at the hands of Thulsa Doom (Jones), the leader of a snake cult.
Split into simpler sentences: The film stars Arnold Schwarzenegger and James Earl Jones, and tells the story of a young barbarian (Schwarzenegger) who seeks vengeance for the death of his parents. The target of his hatred is Thulsa Doom (Jones), the leader of a snake cult.