After being dumped by his fiancé, heartbroken Hong Kong police officer Fallon Zhu gains 200+ pounds. His superiors demote him to the job of escorting convicts to Japan. When ha convict in his custody mysteriously dies, he must team up with citizen Thor to solve the mystery.

Himura Kenshin is a legendary swordsman who has stopped killing people with his sword. Instead, he uses a dull-edged sword. He tries to live a peaceful life with Kaoru who runs a swordsmanship school in their village. Kenshin's past catches up to him causing the destruction of Akabeko Restaurant, which was Kenshin's favorite place to eat. There, he finds a note with the word 'Jinchuu' on it.