Plerng Toranong is a drama encompassing family conflicts, individual struggles to achieve their ambitions and romance. The premise of the story surrounds Plerngrit Chatiyotin (Mario Maurer) who lived a humble life in the fishing village of Ranong with his parents Pipat and Phongpeo for the better part of twenty years. However his life goes on a complete 180 degree turn when he learned that he is the grandson of Kon Ying Thongthra, owner and operator of Thailand’s number one diamond company, Thai Diamond. Twenty years ago, Pipat was his mother’s right hand man, controlling the family business. But the moment he fell in love with a no name woman, Phongpeo, and was forbidden by his mother, Pipat left his fortune, family and hi-so life…