Kyung-jin, a police officer who finds herself chasing down a suspected bag-snatcher on her day off. However, the man she catches turns out to be Myungwoo, a passer-by who was himself trying to apprehend the real criminal.

Ga-in, a high school student, witnesses the deaths of her relatives who die from a curse. Once she finds out that she is the next target, she asks her boyfriend to help her break the spell.

Ji-hae's friend is having problems expressing her feelings to the boy she loves, so she asks Ji-hae to write e-mails to him in her name. As the boy falls in love with her letters, Ji-hae discovers the story of her mother's romance which is remarkably similar to her own circumstances.

When high school girl Han Ye-won finds an offensive note on the internet school board left by arrogant Ji Eun-seong from vocational school, she replies even more offensively. She doesn't know he's hot-tempered and well-known as a bully. So when Ji Eun-seong starts looking for her to teach her a lesson, Han Ye-won realizes how big her mistake was.

Detective Cho is incompetent and always fails to be promoted. His only pleasures in life are spying on neighbors who are having affairs or binge drinking. One day, Cho comes across the corpse of what seems to be a child on a nearby mountain and he decides to investigate the case, thinking that this is his last chance to impress his boss. Cho enlists the help of his partner, Detective Lee, and together the two embark upon an investigation that will test their professional judgement. The more they learn about the case, the more they come to suspect that the poverty-stricken father of the dead child is their killer. But the case goes off course when the two begin to sympathize with him.

Ji-ho is a writer who cannot forget her first love Min-woo at high school. She meets Min-woo and acts as if she lost her memories to grab his attention. As she lives with him, Dong-sik comes along and annoys her plans.

In Seoul, a suicidal student meets a young woman who decides to join him in his fatal gesture. Dongsoo, an unsuccessful filmmaker, spots a beautiful young woman, who happens to be the lead actress in the film he has just seen. Their stories will cross paths thanks to their love for cinema.

A murder suspect and a detective with a shared past, reunited through the murder of a bestselling author, uncover hidden truths as the investigation deepens.

The movie is about a dysfunctional family, each and every member with mental problems of his own. On top of that some old skeletons from the closet come back to haunt them.