Lee Yeo Reum, a young woman with a promising career and a happy relationship, faces a sudden downfall when her mother dies in an accident and her boyfriend breaks up with her. Overwhelmed, she quits her job and retreats to the seaside village of Angok to recover. There, she meets An Dae Beom, a former physics prodigy now working as a librarian after a fall from grace. As they bond, they both seek healing in the quiet of the village, but can "doing nothing" truly help them move forward?