The female protagonist looks docile on the outside but is strong and scheming on the inside VS the male protagonist is overbearing and sinister, but in reality he is a tsundere and a love brain.
The female protagonist, Fang Baozhen, is the second young lady of the Tokuta Building of the Southern Goods Store in Tengqiao Town. She was originally from a wealthy family, but her brother failed in his investment business and was addicted to opium. His mother died and there were no relatives to help him. This made things worse.
The male protagonist Lu Jingze is the nephew of the female protagonist's father's concubine. The two families have deep grudges over the past, but they can't help but like the female protagonist!
The two were entangled in the grudges and grudges of the previous generation, unable to choose between love and non-love, and started a sadomasochistic relationship.