Rangrong (Chris Horwang), a passionate businesswoman who takes care of Sprinkle Saithong or Sai (Kao Suphatsara) as a sister since childhood until Sai grew up to be a beautiful, charming girl who nestled in love and Huang Sai too much as a sister, so Sai felt uncomfortable and tried to escape. But she was always followed by her back, but Sai never thought of escaping from her benefactor who was unfaithful to her.