The Case of the Courageous Curry. On a sunny afternoon, Butt Detective and his assistant Brown are enjoying a leisurely afternoon tea at the cafe. Mr. Walter, the manager of a new curry restaurant in town, walked in with a large shopping bag. At this time, he found that the spices he had just bought, “Piriritokikku", an essential spice for curry dishes, had disappeared from his shopping bag. “You can't make curry without the spices! There is no way to open the business on schedule!” While Mr. Walter was devastated and distressed, Butt detective step forward, his remarkable reasoning mind is ready to solve the disappearance of the curry spices.