The best Park Ji-yeon’s movies

Kyung-chul is a dangerous psychopath who kills for pleasure. He has committed infernal serial murders in diabolic ways that one cannot even imagine and his victims range from young women to even children. The police have chased him for a long time, but were unable to catch him. One day, Joo-yeon, daughter of a retired police chief becomes his prey and is found dead in a horrific state. Her fiance Soo-hyun, a top secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take bloody vengeance against the killer, even if it means that he must become a monster himself to get this monstrous and inhumane killer.

A hitman accidentally kills a little girl. Filled with regret, he wants to quit. But then to tie up loose ends, he is forced to go on another job, to kill the girl's mother.

A biker is forced to deliver a ticking time bomb by a mysterious caller who has put an explosive helmet on his ex-girlfriend.

Moon Ok was a musical professor at a university, but is now on death row for committing a crime caused by the abuse of her husband and mother-in-law. In prison she meets a young lady named Jeong-hye who killed her husband because of physical abuse. At the time of her arrest, Jeong-hye was pregnant and the baby was eventually born in prison. Now 18 months later, Jeong-hye's baby must be given up for adoption. To spend one day with her baby outside of prison, Jeong-hye forms a prison choir group. Moon Ok becomes the conductor for this choir. The inmates and prison officers are soon touched by the music produced by this group.

Whenever elementary school teacher Kang Joon-soo (Lee Seung-gi) falls in love, he always gives too much of himself to the relationship. Yet despite that, he ends up being the one getting dumped by his girlfriends. Joon-soo has been friends for 18 years with Kim Hyun-woo (Moon Chae-won), a weather forecaster whose beauty belies her witty tongue and aggressive manner.

Second Lieutenant Han Sang-yeol leads his platoon during the Korean War in the early 1950s. He carries emotional scars and pain within. So when he meets some children from a choir, who have lost everything in the war, Sang-yeol is deeply moved and tries to protect to them.

An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.

Da-eun lives a happy life with her single father, a man who sacrificed everything in his life for her. She loved her father very dearly. However, their relationship is about to take an unexpected turn. Da-eun becomes suspicious that her father might be a monstrous kidnapper. Even though she wants to believe in his innocence, she finds herself searching for evidence to the contrary. What is her father's true identity? And how will she deal with the burden of discovery if her suspicions are confirmed at the end of her final pursuit of the truth?

The four stories that possibly or impossibly can be happened in the pension; The parents who lost their child go to the pension with poison where the killer stays with his family; The husband and wife on a trip who are growing tired of their married life and the wife’s hidden secret reveals when they reach the pension; A woman who demands to stay a night at a particular suite to save her kidnapped child; A man who is asked to manage the pension for a night, he organizes fantastic night with his girlfriend, but things go wrong…

Middle aged housewife Kim In-Hee's mother-in-law has Alzheimer's disease, her physician husband is always tired and indifferent to her needs and her children has become wayward. For her family, Kim In-Hee has devoted her life as a daughter-in-law, wife and mother. Kim In-Hee then learns that she has terminal cancer and is dying. The mother accepts her fate and sets up the most beautiful goodbye to her family.

A young man finds out that he is living a completely identical life to another man who lived decades ago. And when his wife is murdered the same way as the previous man's, he decides to dig into the older case to find clues about who was the murderer this time.

A program titled "Today’s Science" is on the verge of abolition due to its poor ratings. Seoyeon, the producer in charge, is in trouble both inside and outside. The boss urges Seoyeon to find new subject matters.