In a city famous for its gyoza (Chinese dumplings), Mirakuen, a shop who's success has earned it multiple plaudits from the mayor himself is harshly criticized by Toshizo Kitakata, a restaurant revival specialist. Upon visiting the establishment, Toshizo decides it is beyond redemption. The owner, however, upon hearing a single utterance from his grandson, realizes the error of his ways and pleads with Toshizo who agrees to help revive his struggling business. Yet as part of his training, why is he being made to work as a hotel bellhop...?!