Eleven-year-old Lorenzo thinks he?s kind of ordinary. Not brave like his father, who died in the war, or an amazing musician, like his best friend, Paloma. But Renzo finally gets the chance to do something heroic when he adopts a runt piglet named Marty.Marty is something special - he thinks he?s a dog and acts like one too - and the bond he forms with Renzo is truly one of a kind. When he?s grown, though, Marty is huge - and he still loves to run and jump on people the way a puppy does. After Marty causes a dangerous accident, Renzo?s mother says he has to go. Will Renzo be able to save Marty?An unforgettable story about the power of friendship...and the unsung heroes all around us.