Tad the frog dreams of becoming a legendary Star Knight, but he is crushed when he learns that he can never become one because everyone thinks he is a mud-dweller, a servant of the Marsh Witch. When the stars fall to Earth once more, Tad is turned into Star Knight, and he embarks on a magical adventure to help the Star King, Stello, return to space. But everything changes when Tad discovers the truth about the what happened to the Star Knights all those years ago, and with the help of his new friends, he sets out to prove anyone can be a hero.
