Schoolgirl Charlotte has been caught misbehaving in class. She has already been belted and plugged, then put in handcuffs and ankle chains and we join her as she is sent outside to the 'naughty corner' to sit in silence and ponder over her behaviour until she promises to be good. The clouds above look ominously dark, and Charlotte hopes the teacher will accept her apology and let her back inside before it starts raining...