Sina disguises herself as her disabled older twin sister, Siriya, and moves into the Sutharak’s house with her 2-year-old nephew, Kaosuay. She learned that her nephew is the benefactor of her brother-in-law’s wealth. However, his will states that for Kaosuay to inherit his wealth, his wife must marry his younger brother, Athirat. Sina, under the disguise of her older sister, decides to marry Athirat for the sake of her nephew's future. She has no idea what lies ahead. Stay tuned to find out what she has to encounter and how Athirat is going to discover her identity.