It's the early 1980s and rookie fireman Malcolm Castle is set to take on the biggest challenge of his life. After three years bouncing around in the back of the country fire-engine, he's about to start driving it! At just 22-years-old - less than half the age of many of his colleagues - he's set to thunder through the narrow streets of one of England's most beautiful medieval towns and speed out across the glorious Shropshire countryside.