That Woman and That Man's Inside Story" tells the story of Soo-Jung's (Jung Da-Hye) romance with 3 different men in one year. Sang-Chul (Yeon Je-Wook) only thinks about having sex with Soo-Jung. Jung-Soo (Seo Ji-Suk) looks so attentive and innocent. Mysterious man Seok-Tae (Lee Sang-Il) takes care of Soo-Jung. Soo-Jung dreams of having a great romance and sex for the first time.