Romance is sweet and bitter — and life riddled with ups and downs — in multiple stories about people who live and work on bustling Jeju island.

A tragic accident leaves an ambitious prosecutor with the mind of a child – forcing him and his mother to embark on a journey to heal their relationship.

Jin-seok, 21-year-old, moves into a new house with his family. He suffers from a slight schizophrenia but he carries an ordinary life under the warm care of the family. His older brother Yu-seok is a decent college student, a mentor, and role model for Jin-seok. One night, his beloved brother is kidnapped by unidentified assailants before Jin-seok's eye. Jin-seok can’t recognize their faces, but can remember only the VIN that matches with no car. After long silence of 19 days, suddenly Yu-seok returns home, but remembers nothing which had happened in the meantime. And soon Jin-seok feels Yu-seok is a total stranger.

A grieving woman magically travels through time to 1998, where she meets a man with an uncanny resemblance to her late love.

An imprisoned ex-police inspector discovers that the entire penitentiary is controlled by an inmate running a crime syndicate and becomes part of the crime empire.

Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo, a woman he meets through his work.

A seventeen-year-old girl with sun allergy lives a sheltered life. One night, she ventures out to play guitar, and she meets a guy she admires. As they develop a romance, she hides her condition from him, creating tension in their budding relationship.

Lena (Park Gi Rim) is a Russian woman of Korean descent. Escaping a life of pain in Russia, she agrees to come to Korea as the bride of Soon Goo (Kim Jae Man), a farmer who lives in the rural countryside. Dealing with his own painful memories, Soon Goo is happy to just spend time with Lena as they go about their simple lives on the farm. But as Lena’s feelings for Soon Goo deepens, she finds it harder for her to stay.