To support her husband, who can no longer work due to a traffic accident, Rie increases her shifts and begins visiting not only regular clients but also homes on the gray list—high-risk, problematic cases. Amid her daily duties, one day she is subjected to an unpleasant demand in exchange for a tip. The incident leaves a deep emotional wound, and as she struggles with loneliness and inner turmoil, Rie continues to search for a way to move forward.