My Dear Donovan will make your heart flutter with the story of a model who flies all his way to Thailand in search of his ex-lover. Unfortunately, the cupid's arrow makes him fall in love with a kind-hearted manager. 

Donovan, a hot American model from Palee Modeling, is in fact, in search of Maria who has come to Thailand and lost touch with him. Pam, a kindergarten teacher who is living her simple life, has been raised by her grandparents after her mother Parichat has left her to start a new life in the USA. Parichat comes back to Thailand with her new husband and her son, which makes Grandfather Poon  so angry that it triggers his heart disease. He needs to undergo an expensive operation. For this reason, Pam has to work at Parichat's company, Palee Modeling, to earn money. She is assigned to work as a manager and a personal interpreter of Donovan, a hot model. Many girls have been trying to get his attention, including Jessica, a mixed-race model, and Dararai, a high-class old maid celebrity. Thus, Pam has to manage Donovan's life, both his work and his personal matters. As their relationship is growing fast, this love gets obstructed when Pam finds out the secret of Donovan. Will the love between Pam and Donovan get fulfilled in the end?