Watch 123Movies. “Dancing Alone” tells the story of Juan, a man who has just retired and is left by his wife because he doesn’t know how to dance. Fed up with his passivity and the monotony of their routine, she decides to leave him for a man who really knows how to move on the dance floor. Following this abandonment, Juan must adapt to his new life—without a job and without a wife. Now, his only way forward is to learn to dance in order to win her back. Will he succeed?