Feighli? Ta Niamh agus Aonghus romhor le feighli a bheith acu. No sin a cheapann siadsan.

Ach te tuairimi eile ag an au pair nua ... agus cleasanna nua aici freisin!

When eleven-year-old Niamh and nine-year-old Aonghus are left in the care of Marie-Claire they are not pleased.
They think they are too old for a babysitter and they have successfully gotten rid of seven of Marie-Claire's predecessors by playing nasty tricks on them.This one looks almost too easy - easy peasy - EASCA PEASCA in fact!

However, Marie-Claire is no pushover. There's something `knowing' about her. Soon the terrible twosome find out that Marie-Claire has special powers, powers that she has no problem using against the children and their tricks......