The Seven Deadly Sins were once an active group of knights in the region of Britannia, who disbanded after they supposedly plotted to overthrow the Liones Kingdom. Their supposed defeat came at the hands of the Holy Knights, but rumors continued to persist that they were still alive. Ten years later, the Holy Knights staged a coup d'état and captured the king, becoming the new, tyrannical rulers of the kingdom. The third princess, Elizabeth, then starts out on a journey to find the Seven Deadly Sins and enlist their help in taking back the kingdom.

When Gilthunder spiking his sword in the center of town and stops brewing, Meliodas is the one who can remove it and turns on the local hero.

Meliodas, Hawk and Elizabeth go to a haunted forest where Meliodas faces great dangers in search of information.

Diane decides to join the mission to free Ben, but the group is attacked by an enemy you want to devastate the entire city.

Golgius tries to recover the sword of Elizabeth and Meliodas. The sound of a mysterious bell causes infighting in the group.

Elizabeth and Meliodas need the holy knights Friesia and Ruin sorted to get the dungeon. A harbinger indicates that a disaster on its way.

Ban, Meliodas and the others finally meet. In search of a clue to locate the Sin of Sloth, the group goes to the capital of the dead.

King and Ban has a decisive confrontation. Guila faces Meliodas, Diane and Elizabeth. Ban remembers Eliane and the fountain of youth.

Eliane finally convinced King to rescue Meliodas and others. Back in the capital, Dissatisfaction causes dissension among some sacred gentlemen.

After find out what will be the grand prize of the festival, Gildeon, Meliodas Ban and King decide to participate, as well as the Knights Sacred Howzer and Griamore.

In the last match of the first stage of the festival, Ban recalled the first time she met Meliodas. Veronica and Griamore looking for Elizabeth.

The last match of the festival is interrupted by the attack of a group of Sacred Cavlheiros. For what?

Meliodas manages to break free and reappears, but he is different: it attacks its enemies and also their allies.

Meliodas and his friends started a new search for the Seven Deadly Sins missing. The Gentleman Sacred Helbram sends killers to defeat the Giant Armed.

Gowther appears after the counter attack and takes an unexpected attitude. Elizabeth finds out about the past Meliodas and Liz's existence.

The words of Elizabeth convince Meliodas to fight, and it was clear who dominated his mind. Hendrickson begins to resurrect the Demon Clan.

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

Diane almost dies while trying to protect Zeal. Howzer and Guila are required to confront incredible magical powers.

King remembers when he met Diana, 700 years ago, and the sad event between him and Helbram.

To try to rescue Elizabeth, Meliodas joins Arthur and faces Hendrickson and Gilthunder in a difficult battle.

Merlin appears and ends with the plans of Vivian. Meliodas and Elizabeth station together again. Ban discovers will have to kill someone to Elaine rise again.

Meliodas Elizabeth lost again. Ban confronts the person he must kill to save Elaine. Diane and her group face the New Generation.

Persecuted by the Seven Sins, Hendrickson makes two discoveries that give you great power.

When the Seven Deadly Sins seem to be on the verge of defeat in a confrontation with Hendrickson, Elizabeth regains its power.