Making Poison (2007)

Four school friends join together to find a remedy to their various problems. Jeremy wants to be rid of the nagging and degrading teacher, Mr. Dawkins; Kate longs to be free of her stepmother who's always running her down; Peter is plagued by two bullies at school who roust him and take his money; and Andrew just wants relief for his seriously ill elderly grandmother. The solution they come up with is to make a batch of poison...