one day, a quantum physicist is visited by aliens and they mistake him for his late father by the same name that was a world famous sushi chef. Despite his complete distaste for fish and anything "slimy and anything else nauseating", the aliens request that he prepare a grade A banquet for their emperor looking to take over the world and enslave its inhabitants. It's up to Doctor Wajima and his assistant, Roger to prepare a meal that will knock the emperor dead! but can they do it in time?