A romantic comedy from Korea that tells the true feelings of men and women in love and sex. It follows a man who is frustrated and depressed by his girlfriend and a woman who is dissatisfied with her unstimulating life with her boyfriend who becomes an unexpected relationship after a mistaken phone call. Jisung from "Fate" and the TV drama "Royal Family", "Kanna-san is a great success!" Kim Ah-joon plays the main character, a man and a woman, who develop love through telephone conversations and sex. The director is Byun Sung-hyun, who has attracted attention for "Youth, Beats, and Secret Videos". In addition to the light-hearted narration, Jisung's unusual songs in the play also enliven the work.

Hyun-seung (Ji-sung), who was struggling to become a singer-songwriter, was abandoned by her lover of seven years, saying that she could not be with a poor man. Although he became a salaryman, the pain of heartbreak was greater than he expected, and he couldn't get into anything. At that time, he receives a mistaken phone call from a woman named Yoon-jung (Kim Ah-joon), and he ends up having phone sex with her. Yoon-jung intended to call her boyfriend as a surprise for her boyfriend, who was in a rut, but her heart was filled with a casual conversation with Hyun-seung.