Kamen Rider Gills is left for dead after being assaulted by Toru Hojo's firing squad and G3's attack.

Shouichi decides to live at Aki Sakaki's house while she's gone.

Due to the lack of progress in anti-Unknown defense the police decide to bring in Toru's ex-partner Ryuji Tsukasa to head the G3 team.

Ryo Ashihara remains in critical condition but is being cared for by Shoichi Tsugami. The OverLord imparts a portion of his power to Tetsuya Sawaki after Tetsuya sees what humanity has to show him.

Aki Sakaki's powers awaken nine months after the Akatsuki-go incident. She uses her new found powers to hunt the members of the Agito Capture plan.