The third princess of the Kingdom of Liones, Elizabeth, finds Meliodas, who is the owner of the Boar Hat bar and is also one of the Seven Deadly Sins. With her identity revealed, she is pursued by Twigo whom Meliodas easily defeats. The princess joins him on his journey to find the other Deadly Sins in order to defeat the Holy Knights, who have orchestrated a coup d'état and have overthrown the king.

When Gilthunder plants his sword in the center of the town and stops the village from making ale, only Meliodas can remove it, making him town savior.

Meliodas, Hawk and Elizabeth travel to the daunting Forest of White Dreams, where Meliodas goes to dangerous extremes to obtain information.

Diane joins the mission to free Ban from the Baste Dungeon, but the group is assailed by an enemy set on crushing the whole town and the Deadly Sins.

Elizabeth and Meliodas must fight Holy Knights Friesia and Ruin to proceed to the dungeon. An omen foretells of disaster on its way to Britannia.

Elaine finally persuades King to rescue Meliodas and the others. Back in the capital, malcontent starts to stir among some of the Holy Knights.

Enclosed inside the Goddess Amber, Meliodas breaks free and reappears. Not his true self, he begins attacking his allies as well as his enemies.

When Elizabeth is kidnapped, Meliodas, Ban and Gowther launch an attack on the capital. Meanwhile, King Arthur of Camelot confronts Hendrickson.

Diane has a brush with death while protecting Zeal. Howzer and Guila are forced into a struggle against formidable magical powers.

In order to take Elizabeth back, Meliodas teams up with Arthur to fight a fierce battle against Hendrickson and Gilthunder.

Ban explores the catacombs under the city. Merlin and the other sins go to the chamber where the king Baltra and Elizabeth are being held captive. Dreyfus has a confession.

Ban attempts to kill Meliodas, but is stopped by Hawk. Meliodas and the sins corner Hendriksen and prepare to take him down.

Pursued by the Seven Deadly Sins, Hendrickson makes two finds that give him the ultimate Demon power.

Just when it seems as if the Seven Deadly Sins will be defeated by Hendrickson's overwhelming power, Elizabeth's power returns to her.

With the capital retaken and the Liones Kingdom slowly getting back on its feet, Meliodas, Elizabeth and Hawk turn their attention to the Boar Hat.

Ban and Meliodas meet to continue the duel they left unfinished before, only to find that Hawk has told everyone about their solemn battle.

Business at the Boar Hat is dropping, so Meliodas asks Merlin to join the staff as a waitress alongside Elizabeth and Diane to attract customers.

As the kingdom begins to rebuild after the coup attempt, the king honors the Seven Deadly Sins for their bravery with a medal ceremony.

With Fraudrin's manipulation of Hendrickson, the Ten Commandments return to the physical realm. King follows Ban to the Fairy King's Forest.

Diane confronts Gowther after he manipulates Guila and Zeal's memories. With the return of the Demon Clan, new threats descend upon allied clans.

The fairies reconcile their differences with King as Ban leaves the forest. Meanwhile, Meliodas and gang are overwhelmed by the sheer power of Galand.

Hendrickson, thought to have been defeated against Meliodas, aids Gilthunder and the Holy Knights against a powerful Gray Demon.