During the Republican era, Caojiadu in Shanghai was a melting pot of all sorts of people. It was home to countless migrant workers seeking a living, as well as a gathering place for hooligans and thugs.
That day, a pair of thin, sallow-faced siblings arrived. The brother's name was Stone, and he was about fifteen or sixteen years old; the sister's name was Little Mudskipper, and she was only eleven or twelve years old…
