Twenty million people a day ride Tokyo trains. Thousands of high-speed trains shoot by open platforms jammed with masses of commuters just a step–or a push–away. Under these conditions, disguising homicide as suicide is easy, Detective Takamatsu tells novice detective Hiroshi Shimizu. For one hostess working in the nighttime world of Tokyo’s entertainment clubs, the trains offer an easy way to conclude business relations, and extract revenge. From the sleek hostess clubs of Roppongi to sacred temples, from hidden yakuza headquarters to post-industrial wastelands, Tokyo is a city of exotic and deadly forces.