A immature adult female Mianhua get a job which she has ne'er make earlier: to be a full-time caretaker of an old obstinate pugilist who suffer from Alzheimer’s disease. The old man’s son with his ulterior married woman life oversea and about take no attention of him, and his girl with his ex-wife hire Mianhua to take attention of him - but the girl misgiving and contemn all nanny for “know merely lying, mistreat, and take advantage”.