Kim Ja-young

Hae-jin, 29, struggles to adapt to life in Seoul and returns to her hometown of Jeju. There, she reunites with her mother, Ok-ran, and her grandmother, Kang-ja, who has spent her life as a haenyeo. Hae-jin decides to become a haenyeo, but Ok-ran strongly opposes it. The conflict between them intensifies, while Kang-ja is diagnosed with dementia.

Grandma's memorial day is difficult for Jung-hee because of the grandfather's sister. She scolds about the memorial service of grandma who committed suicide without finding her runaway husband. Somehow Jung-hee feels guilty about his disappearing. She decides to go on an adventure to solve all the secrets and end mother's adolescence.​

When the app is launched, a ghost appears. Developed by four young adults, the app becomes the centerpiece of a livestream where they venture into a supposedly haunted mountain to prove its authenticity—only to meet a grim fate. This chilling event kicks off Unlock, a horror anthology composed of seven short episodes. The series begins with App the horror, followed by The Night Bus, which unfolds on a long-distance bus; Ominous House, which features a ghost-conjuring ritual; The Collector, about the brutal fate of a man who watches an illegal video; Snuff Film, revolving around a vengeful director whose footage was censored; Sweat Home, where a woman's return to her family turns into a nightmare; Haunt, featuring a man paralyzed from head to toe who begins to see ghosts; and Dawn Call, about a group tasked with cleaning up a murder scene in the dead of night.

Rapidly advancing self-driving technology could put couriers out of work. In order to save her son's job, Mi-sook takes action.

Yuri heads to the victim's house for a traffic accident settlement. Victim Kihyun has something he wants to say to Yuri, but she remains silent. Just before signing the documents, Kihyun shocks everyone by committing suicide.

Jungnam, who is hospitalized, meets Yeonsu, who likes the same TV drama as she does. The two are pushed out of the patient room, due to an argument over TV show channels. They develop a friendship as they watch their favorite TV drama together in the lounge.

Bok-soon, a Jeju Island native, lives alone in her old house, as all her grown-up children are now settled on the mainland. She is excited to know that her children, who have not come home for a while, are coming back for her birthday. She prepares food for their visit but ends up receiving calls, informing her that they are unable to come. The next day, Bok-soon feels pain on her knees and visits an orthopedic clinic where she meets Dong-i. Dong-i tells her of the yoga center opened by Dong-i’s mother. Bok-soon visits the yoga center thinking she could share the left-over food with people there. Neighbors who have not seen her in a long time welcome her, and Young-sook, whom she had loved like her niece, is now the yoga teacher, giving Bok-soon a one-day class. Without realizing, Bok-soon starts to move her aching body to follow the yoga moves.

Still feeling guilty about her granddaughter′s death, Yebun spends her days in pain. Meanwhile, Okim, Yubun’s old friend in the village, passes away from an illness. Yebun briefly takes care of Jiyeoon, Okim’s granddaughter and her own deceased granddaughter’s friend.

On a winter morning on the way to work, Kiyoung finds Gilho sleeping on the wooden bench in front of his house. Gilho is a teenager who has run away from home because he can no longer face the domestic violence he suffers there. Kiyoung lets Gilho stay in his house for a few days and Gilho comes to trust Kiyoung. However, as Gilho′s friends visit, conflicts happen between Kiyoung and Gilho.

Il Woo thinks that 'owning his own house' and 'living a stable and happy life' are equivalent and therefore becomes a 'fake nature-lover' in an isolated countryside village called Bongtaeri in order to save a pharmaceutical company and earn 200% of his yearly income. Bong-sook is forced to play a trick in order to achieve her dream of becoming a police officer due to her parents' announcement to stop financially supporting her and transforms into a 'fake farmer' in Bongtaeri, the mountain village where her maternal grandfather lives. The two get involved when a mysterious shoe theft incident occurs in Bongtaeri.