It starts as an ordinary school day. Just the same asany other. Until Valerie Michon gets up and leaves theauditorium. And three boys decide to follow her.

She heads for the stairs and the boys run after her.They are fast, they are quiet. They don't talk about it.They just do it. It's a game. Fun. On the third floorthey catch up with her.

It happens fast, so fast. It's like a dream. She yells, andtwists and turns trying to get free, but they have her...