In the snowy seaside town of Sokcho, 25-year-old Soo-Ha works at a guesthouse. She drifts between her mother’s fish stall and her boyfriend until a French artist’s arrival stirs questions about her identity. As winter deepens, Soo-Ha and the artist form an unspoken connection through food and art.

After a gruelling final tour, Aurélien decides to settle in Japan with his wife Nanako, who is pregnant with their first child. As the young couple move into a traditional house in the Japanese countryside, Aurélien discovers an ancient suit of armour in a well, which is about to awaken strange creatures known as Yokaïs.