Having had his emotions robbed by the Demon Lord, Merlin and the rest of The Seven Deadly Sins confine Meliodas in an effort to control his Demon power and return him to his old self. With their fearless leader out of commission, Diane, King, and Gowther head to Camelot to free the people from The Ten Commandments’ control. Meanwhile, the Demon Lord orders The Ten Commandments to recapture Meliodas, bringing Meliodas face-to-face with his old master: Chandler, the Pacifier Demon!