Keiji Nagatsuka

Tsuboi and Kinoshita have just arrived at a desolate town. Both of them are amateur filmmakers. Tsuboi is a screenwriter and Kinoshita a director. They have come to this town because Funaki, an actor, has tempted them to come here, but he has yet to arrive. Tsuboi and Kinoshita start wandering around the town and happen to meet a young woman, Atsuko. The three of them go on a journey together and become friends. But one day, Atsuko disappears... (asianwiki.com)

Fulfilling his filmmaking dream of 40 years, Nobuhiko Obayashi's luminous new feature "Hanagatami" delivers a timeless story of the pureness of youth beset by the chaos of war. (imdb)

A big secret is intertwined with 5 murders that occur at different times & locations. Firstly a shooting at an apartment. When senior officer Kizaki (Takahashi Issei), rushes over upon hearing gunshots, his senior Omura (Murakami Jun) is already there. Suspects are narrowed down through legwork & forensics, but Kizaki feels that there is more. Before long, a girl (Kaho) with some sort of connection to the case emerges. This is only ep1, from there it gets ever more complicated (DramaWiki & me)