Ordinary salaryman Hamasaki Mitsuo works for a company which installs vending machines. He complains about his marriage life while at the dentist office. Mitsuo isn't happy at all with his marriage with his wife, Hoshino Yuka, who has the complete opposite personality from him. He doesn't know if he loves Yuka or not. At this time, Mitsuo meets Kono Akari, his ex-girlfriend from his university days, who is now married to Uehara Ryo.

Nobuto Natsume worked at a youth detention center, but began working as a detective after the age of forty. He begins his new career as a detective in the violent crimes section at Higashi-Ikebukuro Police Station. He listens carefully to those involved in cases and investigates thoroughly to uncover the truth. Veteran Detective Seiichi Fukumori works as Nobuto Natsume's partner. The crimes they investigate usually relate to families. ~~ Based on the novel "Keiji no Manazashi" by Gaku Yakumaru.

Spring, 1941. Sixteen-year-old Toshihiko attends school in the coastal town of Karatsu, where his aunt cares for his ailing cousin. Immersed in the seaside's nature and culture, Toshihiko soon befriends the town's other extraordinary adolescents as they all contend with the war's gravitational pull.