When the quest for the Holy Grail fails spectacularly, King Arthur plunges the world into ruin with his disappearance. Once-noble knights descend into corruption, and the remnants of civilization struggle to survive in the shadow of a collapsing kingdom. Far from this putrid chaos, Joseph grows up in sanctuary, raised on tales of kindness, virtue, and hope. Gentle and deeply empathetic, he believes the world can still be saved. But alas, he is sheltered from the world's cruelty, holding an idealism which has never been tested beyond the safety of the life built around him.

That is... until the flames of betrayal reduced his home to ashes. In a world that does not share his beliefs, Joseph wanders, struggling to reconcile the brutal reality before him with the ideals he was raised to protect. The land is ruled by fallen knights who embody humanity's darkest impulses, and he learns quick that compassion is seen as weakness. But among this blackened landscape, whispers spread of King Arthurs return—and the ruthless purity he brings called salvation.

The deeper Joseph treads through this dying world, the clearer it becomes that his existence is tied to the mystery of the Grail itself... and to a fate far greater than survival. As ancient powers awaken and the returned king’s tyranny draws near, Joseph can choose to harden his heart like the world demands, or risk everything to prove that compassion is the last hope humanity has left.