Season 1 of Heated Desires premiered on January 4, 2013.

Pittaya is a spoiled little rich girl who gets everything her way, but Soodapa. Pittaya is stubborn and shows her love in childish ways, to get the attention of her father's adopted son, Soodapa, she does everything to get his attention, even get in his way of love. Through her manipulation and Rawee's parents constant disapproval of Soodapa, Rawee begins to doubt Soodapa's good nature and kind heart. Because of media scandal, Soodapa marries Pittaya in order to save Pittaya's reputation and show his gratefulness for his adopted father. Soodapa promises Rawee that after he divorces Pittaya, he will come back to ask Rawee's hand in marriage. But once Rawee is forced to engage to Poowadon, Soodapa must try his best to save her, while he is falling in love with Pittaya. Will Pittaya be able to confess her love to Soodapa? Will Soodapa choose Pittaya or Rawee?