Eco-worriers, Evie and Lola, are very concerned about food and have become vegetarian. They are also trying to encourage everyone to eat healthy, locally sourced, organic produce and throw away as little as possible. So they're delighted that their friend, Meltonio, feeds all his leftovers to his pig, Samson. But then the girls discover that Meltonio is fattening Samson up for his Christmas dinner table! What can they do to save the bacon?