A divorced mother takes her son, whom she has raised alone, on a hot spring vacation. Her son has been struggling with relationships and has become something of a recluse. She wants to help him heal but doesn't want to see his pain. As they travel together, her love for her son begins to transform into forbidden desires. While trying to encourage him, she finds herself consumed by pleasure and unable to resist their growing intimacy. In a remote inn nestled deep in the mountains, Reika indulges in passionate encounters with her son, pushing boundaries and exploring taboo family relations.
