Major M.R. Chatklao Jutathep is the eldest son of Dr. M.R. Puttipat Jutathep and former Miss Srisiam Krongkaew.Before leaving, Khun Tuat On commissioned Chatklao to help find M.L. Maratee and M.L. Wilairampa Thewaprom, who disappeared in Chiang Rai decades ago.
With the help of Dr. Pramet and Nurse Namfon, she adapts to her new workplace in many ways and meets Kwanruethai, a young girl who struggles to survive by her habits and dress.She is Mrs. Mani's youngest daughter, and he and she had misunderstandings from the moment they met.
Khwanruethai's stubbornness bothered Chatklao though.But he wants to know more about her every day, and at the same time, no matter how strong Kwanruthai seems, she is also the dream lover of her stepfather Songphon and Sunan's son Sornram, who are influential figures in the province.