The Seven Deadly Sins: Four Knights of the Apocalypse

The second season of Nanatsu no Taizai: Mokushiroku no Yonkishi.

Despite repelling the demon invasion of the Kingdom of Lioness, the war is far from over, for Arthur's Kingdom of Camelot is still being occupied by the demon army and the surviving members of Jikkai. However, in order to begin counter-offensive, the Seven Deadly Sins needs all of its members. Unfortunately, King and Diane are still hiding in the Fairy King's Forest, where they are made to discover the strange history of Jikkai.

When they were accused of trying to overthrow the monarchy, the feared warriors the Seven Deadly Sins were sent into exile. Princess Elizabeth discovers the truth - the Sins were framed by the king's guard, the Holy Knights - too late to prevent them from assassinating her father and seizing the throne! Now the princess is on the run, seeking the Sins to help her reclaim the kingdom. But the first Sin she meets, Meliodas, is a little innkeeper with a talking pig. He doesn't even have a real sword! Have the legends of the Sins' strength been exaggerated?

14 years since the Kingdom of Liones defeated the Demon Clan and brought peace to the land, Prince Tristan is tormented by his inability to control two great powers: the Demon Clan power of his father, Meliodas, who served as captain of the Seven Deadly Sins as the Dragon Sin of Wrath, and the Goddess Clan power of his mother, Elizabeth. When Elizabeth’s life is threatened, Tristan flees the kingdom and heads toward Edinburgh, where Deathpierce — who was once a member of group of the kingdom’s Holy Knights, the Pleiades of the Azure Sky — maintains his castle. But what are Deathpierce’s intentions? The wheel of fate begins to move and sweeps up even The Seven Deadly Sins…