A South Korean woman in her sixties enrolls in a poetry class as she grapples with her faltering memory and her grandson's appalling wrongdoing.

Shin-ae moves to her recently late husband’s hometown. Despite her efforts to settle in this unfamiliar and too-normal place, she finds that she can’t fit in. After a sudden tragedy, Shin-ae turns to Christianity to relieve her pain, but when even this is not permitted, she wages a war against God.

Deliveryman Jong-su is out on a job when he runs into Hae-mi, a girl who once lived in his neighborhood. She asks if he’d mind looking after her cat while she’s away on a trip to Africa. On her return, she introduces to Jong-su an enigmatic young man named Ben, who she met during her trip. One day Ben tells Jong-su about his most unusual hobby.

In the spring of 1999, a group of old friends gather to celebrate their 20 year reunion. Among the group is Yeong-ho, a cold, unhappy man, whose demeanor puts a damper on the festivities. The seriousness of Yeong-ho's depression becomes apparent when he climbs a railroad bridge and looks like he might jump. At this crucial moment, memories of seven crucial episodes from Yeong-ho's past flood his mind.

A young man released from prison visits the widow of the man he killed drunk-driving and becomes infatuated with his cerebral palsy-stricken daughter.

Returning home and finding his town drastically changed, a former soldier falls in with gangsters.

Following the intertwined lives of two married couples leading completely opposite lives. As their worlds collide, fractures begin to appear in their daily existence.