Don is a border collie who lives on a farm in South Lanarkshire, Scotland. One morning, he and his owner, Tom, set out to check on some animals. They rode together in a small farm utility truck. When they arrived, Tom left the vehicle but forgot to put the brake on. With Don in the driver’s seat, the vehicle rolled down a hill and across two lanes of traffic before it stopped safely. To watching motorists, it appeared the dog was out for a morning drive. Indeed, things are not always as they seem.

It seemed as if Elisha and his…