Season 1 of After Dark premiered on October 17, 2020.

"Blind Date": Pink, a dating app addict, meets Q, a mysterious handsome guy. They establish a deep connection that ends up with Pink having a strange pregnancy which haunts her until the end.

“Requiem of the Adolescent”: Lada, a nurse hired with a vast amount of money to take care of Her Serene Highness Srisaang. Her terrors awake when her patient abnormally gets better.

“Death Channel”: Off and Boat, a successful youtuber and an idol team up to create a paranormal activity channel that has been sponsored by an anonymous user, they never know what is waiting.

"Into the Hole”: Chai, a charismatic person is a one-night stand expert in hopes to record a sex tape to earn a dime. Then he meets Dao, a charming woman. His mischievous behavior continues, but this time it would not be as easy as before.