An imaginary parallel Republic of China era. The traditional gang culture of the East collides fiercely with the social trends of thought after the Industrial Revolution in the West. Modern things like electric lights, telephones, and automobiles came to prominence, but the foundations of society were still controlled by a network of large families, warlords, and secret organizations.
Why are the seven killers willing to raise a "child" and endure and even desire to be assassinated by each other day after day?