The Holy Knights have staged a Coup d'état and assassinated the king, becoming the new, tyrannical rulers of the kingdom. Elizabeth, the king's only daughter, sets out on a journey to find the “Seven Deadly Sins,” and to enlist their help in taking back the kingdom.
Cast: Yûki Kaji, Rintarou Nishi, Misaki Kuno, Bryce Papenbrook, Cristina Valenzuela, Erika Harlacher, Sora Amamiya, Tatsuhisa Suzuki, Ben Diskin, Jun Fukuyama, Max Mittelman, Aoi Yûki, Robbie Daymond, Erica Mendez, Erik Scott Kimerer, Kaiji Tang, Mamoru Miyano, Ryohei Kimura, Marina Inoue, Yûya Uchida, Abby Trott, Brianna Knickerbocker, Yûhei Takagi, Katsuyuki Konishi, Ray Carsillo, Robbie Friedman, Morgan Berry, Chris Cason, Allegra Clark, Kyle Hebert, Billy Kametz, Mela Lee, Marianne Miller, Kayli Mills, Keith Silverstein, Laura Megan Stahl, Maaya Sakamoto
All the Sins get on with their lives, having a reunion on the 10th birthday of Meliodas and Elizabeth's son Tristan.
Merlin, who has been separated from the "Seven Deadly Sins", confronts Cass alone to protect Arthur. Arthur also pulls out his sword and confronts Cass.
A secret feeling for Meliodas, and a resurgence of chaos to satisfy the hunger of the heart ... Merlin's aim revealed. In addition, the magical lake "Chaotic Priestess" begins to support Merlin's actions.
"When the balance between light and darkness is lost, the age of the gods is over and the chaos revives. And the world will be reborn. "
The Demon King separates from the body of Zeldris and uses the land of Britannia as a new substitute, and undergoes a horrifying evolution. But they were convinced of their victory. Seven Deadly Sins believes in the bond with their friends and launches attacks all at once with a special move.
Escanor, who fights by converting all his vitality into magical power, approaches the Demon King. However, Meliodas stands in front of the deadly Escanor. It is because he realizes that he could lose his life.
Diane`s technique "Mother Creation" finally succeeded in extinguishing the "Magic Lake" that was the source of the magical power of the Demon King. At the same time, it turns noon. The strongest minute for Escanor is here...!
Zeldris becomes even more powerful as the demon king. Then Escanor appeared to the "Seven Deadly Sins" in a difficult situation. Meliodas and Gowther invade the spiritual world of Zeldris, taking advantage of the good fight.
The demon king, who revived using Zeldris as a substitute, and the demon beast Indura summoned by the demon king.
The curse on Elizabeth and Meliodas is still here. Which means the demon lord is still here.
The world was trying to eliminate Meliodas, who became the new Demon King and became too powerful. Meliodas didn't tell anyone about the looming deadline.
The Demon King, who has acquired the body of Meliodas, suffers from the "Seven Deadly Sins" due to the overwhelming force difference. Ban, returning from purgatory, rushes there. In addition, Gowther allows Elizabeth and others to intervene in the spiritual world of Meliodas.
Merlin's spell prevented Meliodas from becoming the demon king. It seemed that the holy war had come to an end, but ... there was Meliodas, who had a different appearance than usual. His true identity is revealed by Elizabeth, who perceives his discomfort.
All sins have been incorporated into Meliodas. Merlin tries to activate a curse to prevent the birth of the Demon King. Ludosiel, the chief of the Four Archangels who appears in a difficult situation, activates the technique without hesitation in front of "the first demon".
At Camelot Castle, where the fierce battle continues, Chandler and Cusack have merged and transformed into "the first demon". Merlin despaired that "his chances of winning were completely lost," and even Escanor was on the verge of defeat.
Meliodas, Ban, and Wild finally confront the Demon King in purgatory. To escape from this purgatory, you must defeat the Demon King and go through the "doorway to this world." Meliodas and others are forced to struggle by the demon king who has a powerful power that "when you attack, you are deprived of magical power."
Mael has become a strange figure by fusing with four sins. King was temporarily cornered in front of Mael's mighty power, but he awakens as "Fairy King Harlequin" and wields his true power.
Derieri was defeated by a blow from Mael. Deprived of his fourth sin, Mael tries to capture them all. Gowther decides to fight Mael to protect his companions, rather than trying to save them at the expense of himself.
The Truth Revealed by Gowther-3000 years ago, the magician Gowther used a forbidden curse to alter the memory of the Four Archangels Mael and the perceptions of everyone who knew the man to end the holy war.
Estarrosa's true identity is revealed as a result of memory revival of all connected to him. Meanwhile the stigma group continues their fight against the high ranked demons.
Meliodas tells a backstory of his brother, Zeldris. Ludociel and Escanor try to find a way to break Ominous Nebula.
Ban and Meliodas tries to escape from the purgatory while the others face the hurdle of Zeldris.