In an attempt to discover the reason behind Sugishita's frequent disappearances, Ranru follows a map that leads her to an old acquaintance of his, Denjirou, who has been trying to excavate a dinosaur fossil for most of his life. When Voffa turns the fossil into a Giganoid, Ranru is torn by what to protect - the city, or Denjirou's dream. (Source: powerrangers.fandom)