The story starts with a spread for thousands of years of legend, legend has it that if you find eighth pawnshop, regardless of any demand, will be able to have got one's wish, but must pay the equivalent price.
Eighth pawnshop is actually the dark world - Shadow plot. He used the greed and desire of the endless human, tempting people to trade, is ultimately want to receive the human soul, achieves the control of the world. Pawnbroker chooses personally by the shadow, once a pawnbroker, in addition to live forever and never die, more enjoy endless glory, splendour, wealth and rank.
God does not hear your wish? ...