In this video, Tyler Mowery explains the key elements of a great ending for a story. He emphasizes the importance of establishing clear stakes in the story and creating a sudden reversal in the climax that brings together the emotional and philosophical elements of the story. Mowery uses examples from films like "Django Unchained" and "The Shawshank Redemption" to illustrate his points and provide guidance for writers looking to create impactful and meaningful endings.