Meg is so sick of her stepbrother. The whole family bullies her, but Chris most of all.
She offers Chris a soda from school which she doesn't like, little does he know that it's a special beverage, which has strange effects on him. He's so tiny and helpless now, that will serve him right for picking on his stepsister. Time for a snack before dinner to hide the evidence. Look at Meg's belly with her step-brother inside her. teehee.