“Dear.M” will tell the story of the campus-wide search for the mysterious “M,” an individual who is mentioned in an anonymous post on a Seoyeon University online community. The realistic romance drama will follow the changing relationships and budding romances between various characters in the wake of all the buzz about “M.” Ma Joo-A is a 2nd year student in the Business Administration Department at Seoyeon University. She has a warm heart and bright personality. She is not interested in pursuing a dream or having a romantic relationship. She has never had a boyfriend before. Cha Min-Ho is a 2nd year student in the Computer Science Department at Seoyeon University. He has a talent for developing apps with innovative ideas. He has been friends with Ma Joo-A for 12 years. Seo Ji-Min is a student in the Economics Department at Seoyeon University. She is also a member of the schools cheering squad.

A coming of age story about young people in their twenties and the problems they face in university. Nam Soo-hyun and Yeon Joo, two boys with contrasting personalities, unexpectedly become friends when they work on a project together.

Hee Tuu is focused on finding money to take a patient back home. Myeong Hee finds out that she got accepted in a university. Both Myeong Hee and Hee Tae are choosing their path to achieve their issue where they end up on a blind date.

Storyline follows the development of a kpop group who got caught up in a scandal. With the help of their manager who can see brief glimpses of the future they have to face the war that the entertainment business is to not be forgotten.