The Vaizel tournament is in full swing. Diane still narrows in the face of Howzer, a Sacred Knight who manipulates the wind. Even though the giant has no difficulty in overcoming her opponent. For the second semi-final, Meliodas faces Cain, an old man who seems to know him... Sacred Knight of Danafall, he accuses the young boy of having betrayed his kingdom and his companions, which our hero refutes without appeal. Nevertheless, he conceals a heavy past that might well have something to do with his "crime". But it is already time for the final, which he fights with Diane. Alas, the match must suddenly stop because three Sacred Knights suddenly invite themselves to Vaizel, ravaging everything in their passage...