Emily fields is well very well known around the town of Rosewood, she is sweet, charming and very caring. One day her neighbour asks if she can come over and help babysit her three year old daughter, Emily being her kind self of course agrees and goes over. But what Emily doesn't know is that this three year old is sisters to the one and only Alison DiLaurentis. Alison is the complete opposite of Emily, she's manipulative, careless and pretty much the best way to describe her is Rosewood High's queen bee. Let's see what happens when these two meet.