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The Year Ten notice board at Ashbury High is full of crazy messages. One of them is Mr Botherit´s ´Joy of the Envelope´ Pen-Pal Project. Best friends Cassie, Em and Lydia are forced to write letters to three unknown boys at downtown Brookfield High - where the kids are all psychopaths, drug-dealers, tattooed bunny-killers, etc. Naturally, this leads to all-out war between the schools, plus secret meetings and some surprising snogging.