Dogtanian is an ambitious young swordsman who dreams of becoming a hero and joining the legendary Muskehounds. After proving his skills and earning their trust, he and the three Muskehounds must defend the King from the villainous Cardinal Richelieu's secret plot to seize power. Will the Cardinal win and take control, or will Dogtanian and his new friends foil the evil scheme before it's too late? One for all and all for one. Based on the beloved animated series originally created by Claudio Biern Boyd, and inspired by the famous novel by Alexandre Dumas, Dogtanian and the Three Muskehounds is brought to the big screen by celebrated animation writer Doug Langdale (The Adventure of Puss in Boots, The Book of Life).