Graeme Hall meets a greedy Labrador called Bing that constantly scavenges for things to eat on walks. Owner Katherine has a heart condition making it risky for her to be stressing herself running around after Bing. Can Graeme reign in Bing's insatiable appetite? Meanwhile, Graeme also meets a German Shepherd that lunges towards any other dog it sees, which is causing owner Lesley a lot of anxiety whilst out on walks.