Esther, a perturbed nun with Angelic Powers, longs to heal people outside of convent walls. She waits to serve the Pope until a stoic Spider Demon, Gurteerath, helps her escape the Pope's scheme with her as "the Lamb". Alongside the Spider, the Lamb travels across the Holy Empire, weaponizing her Power against the Pope, thus healing the wounds of Demons, Angels, and Humanity.