Brown's wife died a year ago, leaving behind 7 quirky children. Brown, who has been struggling with work all day, has to deal with these troublemakers when he comes home. Brown found 16 babysitters before and after, but none of them can deal with these ghosts and elves. To make matters worse, Brown's domineering aunt gave him an ultimatum. If he can't find a mother for the children within a month, he will no longer support their living expenses. If Brown, who is heavily in debt, can't get funding from his aunt, he is likely to go to jail, and his life will be desperate.
Just when Brown was feeling desperate, a very ugly woman appeared at his door. The woman tells Brown that her name is Nancy McPhee, and she nominates herself to be the children's nanny. McPhee possesses magical powers, no matter how the children plan to tease her, they cannot succeed. Sometimes children’s mischief will even take retribution on themselves. Under McPhee's careful training, the children became behaved day by day, and Brown's situation was getting better day by day, and even the face of the magic nanny himself was also changing
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