Like the rest of his family, Louis is a trumpeter swan. But unlike his four brothers and sisters, Louis can't trumpet joyfully. In fact, he can't even make a sound. And since he can't trumpet his love, the beautiful swan Serena pays absolutely no attention to him.
　　Louis tries everything he can think of to win Serena's affection -- he even goes to school to learn to read and write. But nothing seems to work. Then his father steals him a real brass trumpet. Is a musical instrument the key to winning Louis his love?