Sleepless Society: Nyctophobia

Stuntman Cha Dal-geon gets involved in a tragic airplane crash and ends up discovering a national corruption scandal in the process. Go Hae-ri, the oldest daughter of a deceased marine, decides to work for the National Intelligence Service as a secret ops agent in order to support her mom and younger siblings, although all she wanted to do is to become a civil servant.

An author who has dedicated his career to solving paranormal cases, returns home to South Africa to investigate the biggest mystery of his life: His sister's death in a water canal 20 years ago.

In the first life, they are twins. The older one was called Kasalong who was raised by her mother who taught her to be sweet and gentle. She is also good at north dancing and household tasks. Since, she is of good values and nature, everyone compared her to be of godlike. The younger was called Songpeep raised by her father is cruel and selfish just like him, she was always jealous of Kasalong because she thought that her mother loved Kasalong more than her. In the second life, Songpeep was reborn as Pimpisa, the daughter of a wealthy doctor, she is a confident woman who is self-willed. In the third life, Kasalong was reborn as Pimmada, the daughter of Pimpisa, who just graduated and is clever, cheeky, and casual.