Connected by phone in the same home but 20 years apart, a caller puts a woman’s past — and life — on the line to change her own fate.

A struggling restaurant owner, caring for his sick mom, finds a bag of cash in a sauna locker, while a customs officer gets into trouble when his girlfriend runs off with money he borrowed from a loan shark.

When Yoo-mi seeks out her mother's friend at a hotel to drop off her younger sister, she falls into unexpected mystery and horror.

The detective Hyun-soo tries to track down a girl who disappeared off of a cliff during a stormy night.

Seo-jin is a widower still grieving his wife's death. Then he receives the news that his long-lost younger sister, Yoo-jin, who went missing 25 years ago, has turned up. Unlike the rest of his family, who welcome her into their arms, Seo-jin feels that Yoo-jin is a stranger.

In a small South Korean village, while investigating the death of two people in strange circumstances, a grumpy policeman will live an overwhelming experience beyond the reality he has known so far.

Skill, beauty, personality, ‘Diving Diva’ Lee-young has it all. Not being able to be with her best friend Su-jin is the only thing that gets in her way. Just so she can help Su-jin out, she changes her event to synchronizing swimming. While pouring everything to Olympics selection practice, Su-jin and Lee-young are involved in a freak accident. Su-jin disappears without a trace, while Lee-young survives but loses her memory. Lee-young’s memory slowly comes back to her but remembers strange side of Su-jin. Her iron will begins to shake on the diving board.

One day, 25 years ago, missing Chun-bae's letter is delivered to his cousin, Jjang-goo. The letter contains Chun-bae's lover, Bok-soon, and other people's letters. Jjang-goo finds Bok-soon to deliver the letter and meets class president Jang together. The three people recall their memories from 25 years ago, and eventually faced the person who sent the letter. Through that, the tangles begin to unravel.

Film director Yeon-woo has a hard time ever since his daughter died a few years ago. Unable to forget her, Yeon-woo writes a screenplay about his daughter. One day when they are shooting the movie, Yeon-woo's wife comes to the movie set in order to meet Yeon-woo. Ji-yeon wanders around the set by herself to end up getting locked in a cold storage unit and is found dead the next morning.

Room 503's secret that is more pleasant if you come alone. Kyung-sook inherits a motel from her mother. In that motel with a strange atmosphere, when it's Friday and the clock strikes two in the afternoon, a middle-aged man, Soo-min, and a 'plumber', seem to compete looking for room 503.

Hwijong loses his job as a parking attendant because a brand-new building will be built on the parking lot he used to work for. Yeun unexpectedly loses her lover. She wants to go back to her old job only to find the office building completely empty. For Yeun, the street that she has been walking for years does not feel the same as before. On the contrary, Hwijong is trapped in a repeated sequence of experience even in his dreams. The daily lives of the two dance with each other to Chopin’s Waltz—they are sometimes tangled, sometimes crossed on the road. This film is intended to go through the high rise building in downtown Seoul like capillary vessels. Little snippets of live sometimes go through the little roads or change directions to create life.

Myeongjoon and Jeongho, high school students in Hwacheon, are old friends with different personalities. One day, Jeongho brings a new bike and Myeongjoon suspects him of dishonesty. The bike owner appears, but Jeongho has no intention of accepting Myeongjoon’s advice to return it. The shadow of catastrophe becomes clear in vague emotions.

Yeo-bin and Hae-Kwang, a broken-up couple, head to a place to meet with a new family for their cat. But where they arrived is a remote reservoir. There, they couldn’t find the adopter, but instead, a locked fridge.

Min-seok, who has just returned to Korea from Australia, gets to know his father left for Thailand with his stepmother. He is going to stay at his late grandmother’s house for a while. Su-ho, who is the son of Min-seok’s stepmother and has just been discharged from the navy, also needs a place to stay. In this way, they get together unintentionally and not as comfortably in a rustic rural place.