2027 Year in MegaTokyo, six years before,How to Build a Knaytsabersy. Boomers (artificial humans) are still new, and their integration into the human community is still experiencing a number of problems, often fatal. Whenever an incident occurs with a boomer, uses advanced police - a special unit prepared for just such situations. Leon MakNikol-new to the AD Police, and is just beginning to feel the daily horrors and tragedies MegaTokyo. He and his more experienced team-mate, Gina Marceau, slowly grasp the subtle gryan that separates man from machine.