Sang-eun is a beautiful 20-year-old girl who is mentally challenged. One day she happens to meet a boy and deludes herself to think he's a beast under the vicious spell.

The chief of Sampo City Police Office, Seung-u, organizes a simulation of a bank robbery, but a by-the-book cop gets too caught up in the role playing in which the simulation doesn't go the way he had anticipated.

On-yoo is an adult childhood cancer survivor. When he's not practicing with his boy band, Oh-yoo often volunteers at the hospital's pediatric cancer ward. One day, he recognizes the familiar face of an overdose patient.

As the first snow falls in Seoul, two old friends reunite; one is a successful college professor, and the other, a struggling filmmaker recently returned from the United States. After their reminiscences, they finally decide to go in search of the young woman each had romanced years earlier.

Dae-kyu works hard to contribute Korean music industry's development: unfortunately, this hard work is for an illegal distributor, dealing in pirated albums.

Ju-yeon and Seong-tae's decade-long best-friendship comes to a crashing halt one night after they sleep together. The shock of doing the deed subsides, reality sets in, and the two decide to get married.