Justice in the Wild.

Win traveled to Dong Yen to try and convince his sister Nicha to come back home with him, so can manage the business that their parents left behind. But Nicha doesn't care about the business, and all she wants to be is a forest conservationist. While trying to convince Nicha at the forest conservation center, Win meets Pim, a young teacher of Phu San La, with whom he fell in love at first sight. However, tragedy strikes and at the center of it is Pim's father.