Watch Detective Story (2018) : Full Movie Online Free Shuichi Tsujiyama (Takumi Saito) is a broke private investigator. While on a job assignment, he is about to catch a crucial moment by taking a picture, but Naomi Arai (Fumi Nikaido) misunderstands the situation. Shuichi Tsujiyama and Naomi Arai struggle physically. Because of this, Shuichi Tsujiyama misses his crucial photo opportunity. Kimie Hasenuma (Mari Natsuki) is a housekeeper who has been employed by Naomi Arai for many years. Kimie Hasenuma asks Shuichi Tsujiyama to be Naomi Arai’s bodyguard.