Hunter Knight Tsurugi reappears in Tokyo, destroying buildings. GUYS knows that the Tsurugi must be an impostor and soon run into a returning Ultraman Hikari, who explains that it is actually a reappearing Babalou using Tsurugi's bad reputation to his advantage. Now, Ultraman Hikari must confront the sins of his past and prove himself as a hero to humanity. (Source: TV Tropes)