The heroine: Miss Nanqiao's family. They were originally a very happy family, living a life without worries about food and clothing. Overnight, earth-shaking changes took place. From the mansion they lived in, they moved to a shabby alley with bumpy roads when they stepped out.
Male protagonist: Beimu has a life that ordinary people would envy. His mother is a young lady from a wealthy family and his father is an army officer. However, Beimu has lived a military life since he was a child. He is unhappy and is a thorn in the eyes of his brothers who stare at him eagerly.
The male protagonist takes a fancy to the female protagonist's clean temperament and simple and kind heart, and wants her to sign a marriage contract with him to stabilize his position in the family.
Purpose: Marriage first, love later