Nampeung, a teacher on a district school, faces lots of problems when she is unable to secure herself a permanent position in her district school, and her father contracts a disease that affects his eyesight. Moreover, her father takes a mortgage for the property by striking a deal with Sia Songyod, and if she can't pay back on time, her property will be occupied or she has to be the mistress of Sia Songyod. Her father's friend, who works with Terd, advises her to work with Terd by teaching Naan, Terd's son. But Nampeung and Terd dislike each other at first, and Naan does not want to study or have a teacher