Following the deadly attacks that devastated the ranks of the Devil Hunters, Public Safety launches a counteroffensive against those responsible. Determined to avenge Himeno, Aki Hayakawa confronts the Ghost Devil, once bound by a contract to his former partner. Meanwhile, Denji faces Samurai Sword once again, a formidable opponent capable of transforming his body into deadly blades. As the members of Special Division 4 gather their strength, the clash between chainsaws and katanas promises to be as brutal as it is unpredictable.