Louis is a Trumpeter Swan, but he has no voice. Though he is frightened when his father explains to him that he is different from the other cygnets, Louis is resourceful and determined. Leaving his wild and beautiful home, he finds a young human friend, Sam Beaver, who helps him learn to read and write. When he returns to his lake, Louis discovers his education isn't enough: the beautiful swan he loves, Serena, can't read his declarations of love – and he can't trumpet them. Louis's resolution to win the swan of his desire launches him on an adventure that will take him far from home and lead where fate – and love – have a few surprises in store.