Ambition, love and betrayal intertwine when a royal concubine secretly plots to claim the throne for her family in the old Thai kingdom.
Rosana is the head of her family. She works hard trying to earn money to care for her sick mother. Despite her best efforts, she's laid off. In her desperation, she's willing to do anything in exchange for the assurance of her mother's care, even take on the role of a wealthy person's fake daughter in order to inherit. In the midst of an unfamiliar family, Rosana has to deal with powerful Korn, a cousin intent on proving her true identity.
Treenut got to know Time because of an accident that happened to Treenut’s student. This impressed Time and he came to see her more often. However, Time was afraid to tell Treenut that he loved her because he still couldn’t forget his former love with Marisa. Instead, Treenut decided to marry Touch, who happens to be gay. Touch urgently needed to get married and have children for his grandfather, Patthana; it was the only way for Touch to keep his position as president of “Methee Group”. Time met Treenut again as Touch's bride-to-be. He was in agony but needed to kept Touch’s secret from Orachun who could expose Touch and take his position. Chane, Touch’s ex-boyfriend, began scheming for reputation and Touch’s money. This chaos began to endanger Touch and Treenut.