When middle schooler Kelly Fergusons Halloween plans switch from party-going to babysitting, she thinks the scariest part of her night will be the death of her social life. But then Baby Jacob gets kidnapped by the Boogeymans minions and Kelly learns theres a whole lot more to childcare than free snacks and Netflix. Like chasing shadow monsters, drop-kicking Toadies, and mastering monster-fighting moves like the Naptime Headlock and Playground Punch. Now, with the help of an ancient handbook and a secret society of butt-kicking babysitters, Kelly sets out to destroy the Boogeyman before he brings Jacobs nightmares to life. But when the monsters trail leads to her schools big Halloween bash, Kelly will have to prove she can save the worldwithouttotally embarrassing herself in front of her friends.