Lee Seung-yeon

With 200 days left before college entrance exams, In-hye, who cares for the school's animal pen, spends her time lecturing a duck instead of studying. Seo-hee, punished for carrying a knife, joins her, and they discover an abandoned meadow where they lose the duck, Hee-seon. Meanwhile, teacher Kim Ah-tae forms a college interview prep group for four neglected students. On interview day, In-hye and Seo-hee ditch school to find Hee-seon, camping in the meadow and gradually learning to survive in the wild.

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.

On the day of SAT, which continued to take place even in the era of zombies, high school girls drive themselves to the place of examination.