After graduating with a degree in creative writing, 30-something Su-yeon abandoned the literary world and took to writing romance web novels. Her material comes from casual encounters she arranges through a dating app but her perception of love and sexuality is distorted. One day, she is visited by Jeong-ahn, a former university classmate who approaches her with a proposition—to expos Professor Shin Seung-hwan, who had sexually assaulted students during their university years. Su-yeon’s answer is unexpected, but soon after, she receives a message from Professor Shin, urging her to take his side. As a result, the stability of her daily life begins to unravel.