Complex sentence: After recovering from the crash, Jack, Gary and Priscilla are sitting near a campfire, when a mysterious man appears plunges plunges the sword Excalibur through Jack's chest and dies shortly thereafter.
Split into simpler sentences: After recovering from the crash, Jack, Gary and Priscilla are sitting near a campfire, when a mysterious man appears. He plunges the sword Excalibur through Jack's chest and dies shortly thereafter.