The "Seven Deadly Sins" a group of evil knights were exiled after being accused to conspire in overthrowing the kingdom of Britannia, it was said to have been eradicated by the Holy Knights, although some claim that they still live. Ten years later, the Holy Knights have show more staged a Coup d'état and assassinated the king, becoming the new, tyrannical rulers of the kingdom. The princess Elizabeth sets out on a journey to find the "Seven Deadly Sins," and to enlist their help in taking back the kingdom. The first one that she find is Meliodas, a young tavern man who doesn’t have a real sword and is followed by a talking pig. Is this a deadly knight?… Are these stories real?