Young-hee is a washed-up actress who is stressed by a relationship with a married man in Korea. On the beach, she wonders if he misses her as she misses him.
On the review aggregator website Rotten Tomatoes, the film has an approval rating of 92% based on 52 reviews, with an average rating of 7.9/10. The website's critics consensus reads, "On the Beach at Night Alone finds writer-director Sang-soo Hong working in a more personal vein—without losing the singular sensibilities that have informed much of his acclaimed earlier work.[4]Metacritic, which uses a weighted average, assigned the film a score of 80 out of 100, based on 14 critics, indicating "generally favorable" reviews.[5]