Dreaming of filmmaking, a passionate high schooler pushes aside all obligations to create short films, inspiring a studious but passionless classmate. Their deep bond eventually turns romantic, but they are abruptly separated when he is forced to move overseas. Years later in their thirties, their lives have completely swapped: she is a disillusioned, struggling TV reporter, while he has become an award-winning director. When a sudden reunion brings them face-to-face, he resolves to help her rediscover her lost spark, but she still harbors deep resentment over his past disappearance.

Against his wishes a veterinarian from the big city relocates to the countryside, where he meets a policewoman, a town insider with a friendly secret.

A heart-fluttering love story between Chae Yong-ju, a super passionate sales king at a liquor company who hides her emotions, and Yun Min-ju, a super sensitive brewery owner who is adept at catching people’s emotions.

A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst.

Hee-ra is the owner of the Witch's Diner where employee Jin and intern Gil-yong work with her. Guests are welcome to the Witch's Diner where they sell their souls for their wishes to come true.

“How to Be Thirty” will be a relatable romance centering around the work and love lives of women who have just entered their 30s. The drama follows the story that unfolds when 30-year-old webtoon author Seo Ji Won meets her publisher Lee Seung Yoo, who is also her first love from middle school.