Yasuko Hanaoka is a divorced, single mother who thought she had finally escaped her abusive ex-husband Togashi. When he shows up one day to extort money from her, threatening both her and her teenaged daughter Misato, the situation quickly escalates into violence and Togashi ends up dead on her apartment floor.

Naples, 1931. A bitter wind stalks the city streets, and murder lies at its chilled heart. When Maestro Vezzi, one of the world's greatest tenors, is found brutally murdered in his dressing room at Naples' famous San Carlo theater, the enigmatic and aloof Commissario Ricciardi is called to investigate. Arrogant and bad-tempered, Vezzi was hated by many. But with the livelihoods of the opera at stake, who would have committed such a callous act?

Yunjae was born with a brain condition called alexithymia that makes it hard for him to feel emotions like fear or anger. He does not have friends - the two almond-shaped neurons located deep in his brain have seen to that - but his devoted mother and grandmother aren’t fazed by his condition. Their little home above his mother’s used bookstore is decorated with colorful Post-it notes that remind him when to smile, when to say "thank you", and when to laugh. Yunjae grows up content, even happy, with his small family in this quiet, peaceful space.

“From exactly midnight until daybreak, the Namiya General Store advice box will be reopening for one night only.” When three delinquents hole up in an abandoned general store after their most recent robbery, to their great surprise, a letter drops through the mail slot in the store’s shutter. This seemingly simple request for advice sets the trio on a journey of discovery as, over the course of a single night, they step into the role of the kindhearted former shopkeeper who devoted his waning years to offering thoughtful counsel to his correspondents.

In Tokyo, murder’s easy to hide. Detective Hiroshi Shimizu investigates white-collar crime in Tokyo. When an American businessman turns up dead, his mentor Takamatsu calls him out to the site of a grisly murder. A glimpse from a security camera video suggests the killer might be a woman. Hiroshi quickly learns how close homicide and suicide can appear in a city full of high-speed trains just a step - or a push - away.