[Machine Translation] One night, Willing sees a man in a tobacco shop near his home, who says, "I am Dr. Basil Willing," and drives away in a cab. Startled, Willing follows the man to a house where a party is being held, only to find a murder in front of his eyes. The victim left a mysterious note on his deathbed: "There was no bird to sing. This is an authentic mystery full of suspense, with a surprising origin and an intriguing mystery to solve.