Mobile Detectives: The Movie 2

ケータイ刑事（デカ） THE MOVIE 2 石川五右衛門一族の陰謀〜決闘！ゴルゴダの森

Also known as Ketai Deka THE MOVIE 2: Ishikawa Goemon ichizoku no inbo ~ ketto! Gorugoda-no-mori

Zenigata Rai is tracking down Detective Okano, who disappeared in the "Forest of Golgoda" in Akasaka, Minato Ward. However, she also gets involved in an incident and goes missing. Rai's cousin, Zenigata Rei, joins forces with Detective Matsuyama, who was once Okano's partner, to investigate the two cases.