Shen Wanqing saves up for a house down payment by staying up late running a street stall, but after marriage, she faces endless demands from her in-laws. Her husband, Du Mingyuan, only placates them and secretly signs an 80,000-yuan joint and several guarantee for his younger brother. Having experienced family exploitation and mental exhaustion, she gathers complete evidence, breaks free from the shackles of a suffocating marriage, and resolves to rely on herself to protect her two daughters, heading toward a brand-new, happy life belonging to the mother and her two daughters.