Twenty-year-old Lin Zhixia has grown up under her mother's favoritism, dropping out of school early to work and help support the family. Her older sister, Lin Zhiyao, gets accepted into university but refuses to fulfill her engagement to Lu Chengyi. To keep the hefty bride price, their mother forces Lin Zhixia to marry in her sister's place and move far away. Alone, Zhixia enters a strictly regimented family compound, where she must face her stepson's resistance, neighborhood gossip and hostility, and the endless demands and interference of her own family.