What would have happened if the Shiroyasha had never existed? Edo is thrown into disarray as a result of an unknown cause. Sakata Gintoki now lives in a world where the future has changed without him. What happened to the Yorozuya? Gintoki, who is now a ghost of the past, must bear the burden once more in order to save his friends. He must complete the biggest job ever, which may be Yorozuya's final task.