You'd think that with the liars being missing for almost a month that they would be able to get along with their parents, but it looks like absence most certainly does not make the heart grow fonder in Rosewood.
It looks like those pleas for freedom didn't work and the liars aren't getting back into the dollhouse, so they are spending the night in the yard with their pretty, mucky dresses and each other. I'm sure their conversation will be riveting.
I think we can agree that when you're locked outside in the freezing cold not knowing what peril you'll face next, you may have the occasional mood swing. Or maybe they are just sick of Mona talking BS.