[2] The film follows Yeong-ho, who likes to be alone, and Hyeon-jin a gregarious publisher, who writes an essay about single life.

They meet via an essay about single life, and then old memories are rekindled, opening the past wounds.

Park Yeong-ho (Lee Dong-wook) is an instructor and influencer with 300,000 followers, who enjoys being single.

Joo Hyeon-jin (Im Soo-jung) is Park Yeong-ho's college junior and an editor-in-chief of a publishing company and in-charge of the essay series titled “Single in the City”.

"[16] Park Jae-hwan wrote in review that "the film shows the sensibility between coldness and passion and does not have the same gap as "Men are from Venus, Women are from Mars"."