知否知否应是绿肥红瘦西瓜影视A couple hires a live-in nanny to watch the offspring while they work. At first, everything goes perfectly, but when an unsafe incident means the parents no longer want the nanny around, they find out this nanny is savvy at not being evicted from her live-in situation. So savvy, in fact, that she can make these parents' lives a true nightmare.