Her husband died in an accident, and the female protagonist gave up a promising job, pouring all her heart and soul into raising her young son alone. When the child was settled with a family and career, she was brought to the city to live, expecting to enjoy her golden years in peace, but unexpectedly ended up as an unpaid, hardworking nanny in the household. Day after day of managing household chores not only failed to win gratitude and understanding, but she also repeatedly suffered harsh criticism from her daughter-in-law, and even her own biological son failed to understand her grievances. Years of silent dedication were completely ignored, and she saw the reality of her situation with crystal clarity.