Takahiro Hôjô

Salesman Shinji (Shinichi Tsutsumi) is at the subway station on his normal daily commute when he receives words that his estranged father has been hospitalized. Shinji's strained relationship with his unscrupulous father goes back many years, and the news awakens some unhappy memories. At that moment, he sees a person resembling his brother, who passed away forty years ago, leaving the platform, and he hurriedly follows. When Shinji steps out of the station, he finds himself in 1964... (asianwiki.com)

Four years after an alternate ending to the series, the Undead has been re-released and Glaive reveals himself to be the Albino Joker. The four Riders are again united, intent on saving Amane and stopping the Albino Joker.