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.
