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. Adapted from the novel "Jam Laeng Rak" (จำแลงรัก) by Chuwong Chayachinda (ชูวงศ์ ฉายะจินดา).