Widow Ayako, grieving the loss of her husband and struggling with debt, lives with her servant. One day, her brother-in-law Ryota arrives and decides to stay at Ayako's home for a training camp ahead of his boxing match. Inspired by his dedication to chasing his dream, Ayako begins to emotionally support him. On the eve of the match, determined to break Ryota's strict abstinence, Ayako takes a bold step. This decision ignites a passionate and forbidden transformation in their relationship. A moving tale where longing and desire collide.