Samir is glad to be back at school after the holidays, having a laugh with his mates. But the weird new biology teacher doesn’t seem to have a sense of humour. Why does he have it in for Samir?When Samir messes around with some biology equipment, his friends start getting hurt. Suddenly things aren’...

Samir is glad to be back at school after the holidays, having a laugh with his mates. But the weird new biology teacher doesn’t seem to have a sense of humour. Why does he have it in for Samir?When Samir messes around with some biology equipment, his friends start getting hurt. Suddenly things aren’t so funny after all.