The story of Wichai, a new teacher in grade 3 Kor class, with a look and dressing that nobody would expect to see from a teacher. Until later, he got nicknamed “Teacher Ma”. His methods are based on fun teaching, not attached to textbooks. Therefore, this teacher is able to win children’s hearts, but this kind of teaching is not liked by teachers and parents. This drama will take the audience back to memories of Thailand in the ’80s at the border town, Aranyaprathet district, meet the atmosphere of the people of many nationalities, styles of dressing, and teaching in the past. As well as the political conflicts of that era that communism has spread into this region.