Tigger is infatuated with Kathy, and happily agrees to help with an after-school task of showing round the mayor. When Lucy finds her dad is working for the local petting farm, delivering animals to the abattoir, she turns vegetarian – Jenny is skeptical that she'll keep it up for long. Lucy persuades the others to go with her to the farm to make a protest, but instead they bring back animals to the CLC, and worse still, Cloe has rumbled them. Will she jepordise the reputation of Grange Hill by exposing them?