In the 1940s, two families— the noble yet poor Mahasak family and the newly wealthy Wongwiboon family—are at odds. Wanida, the beautiful and strong-willed daughter of a loan shark, Dao, crosses paths with Mejar Prajak Mahasak, a kind-hearted man from the Mahasak family. Initially disliking each other, their fate takes a turn when Prajak's brother Lek borrows money from Dao but fails to repay it. Dao demands Lek's marriage to Wanida as