A car accident leaves twenty-four-year-old Jiang Lichu with memories frozen at the age of eighteen. She had just confessed her feelings to her first love, Gu Yanci, but when she wakes up, she discovers that she is already his wife and even has a five-year-old son. After learning that her past self hurt her family, she resolves to repair those relationships through her actions. She patiently keeps her silent child company, sincerely addresses her husband's insecurities, and draws a clear line between herself and those with ulterior motives. Through their everyday interactions, the family gradually regains its trust and warmth. Meanwhile, the secret behind her sudden change in personality begins to come to light.