After an argument with her parents, she stormed off to wander through the old part of town. In a secondhand bookstore that was about to be demolished, she found a yellowed copy of Biographies of Notable Figures from the Republic of China. Inside was an old photograph of Shanghai from 1927. On the back, someone had written in pen: “A name no one remembers will one day be remembered.” She turned to one page and found a woman named Shen Tinglan. Her entire biography consisted of eight characters: born in 1910, year of death unknown. She was puzzled to find that the woman shared her exact name when a gas explosion suddenly tore through the bookstore, and she lost consciousness. When she woke up, she realized something was wrong...