Onsen jōwa: Yubune de momi gaeri is a heartwarming Japanese love story that takes place in a traditional hot spring inn. The movie explores themes of romance, family, and the power of love. It follows the journey of a Japanese woman who returns to her hometown to help her parents run their hot spring inn. Along the way, she discovers the magic of the hot springs and experiences a whirlwind romance that challenges her beliefs about love and relationships.