Library 815 follows Young-Su and Gyeong-Suk, both repeatedly unsuccessful in the national civil service entrance exam. Young-Su is fresh from a breakup and is disillusioned, while Gyeong-Suk is trying hard but weighed down by expectations. Their paths cross at Library 815, a study space and symbolic place of both their hopes and frustrations. As they spend time together, they help each other face their fears, familial pressures, and redefine what success means in a world that values exam scores above all else.c