小草青青

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.。许家保姆的女儿许妍，因为一出生就患有严重的先天性心脏病，需要高额医药费维持生命，所以保姆便将自己的孩子与许家大小姐调换，许妍因此被当作许家大小姐生活了21年。21年后，假千金身份被揭穿，墙倒众人推。。