Ep. 4: Kenshiro verschont Jin, erhält einen Brief von der verstorbenen Yu Ling und bereitet sich darauf vor, nach Shanghai zu reisen, um Rache zu üben.

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Kenshiro decides to let Jin live, and as Li lays dying from the poison, he reveals that the Hong Hua Hui also killed his fiancé Yu Ling as he hands Kenshiro a letter from her. Kenshiro recalls how Yu Ling found and saved him after a battle. Jin volunteers to return Li's body to Shanghai, while Kenshiro plans to take his revenge there. Meanwhile in Shanghai, the battle-scarred remnants of the Hong Hua Hui have sent assassins to Japan to kill Kenshiro. Kenshiro takes leave from the university, with thanks from the founder Takeshi Kitaoji. Kenshiro saved him and his daughter Aya years earlier from Hong Hua Hui kidnappers while they were in Shanghai. Aya gets a lift with the Vice-Principal to the docks where they encounter a group of gangsters whom the Vice-Principal vainly tries to scare off. However a young man with a resemblance to Kenshiro successfully intervenes and reveals that he is Kenshiro's younger brother, Ramon Kasumi. Aya tearfully watches Kenshiro leave for Shanghai. (Source: Wikipedia)