Diesel is a hearing dog for his teenage owner, Rayane, who is deaf. This means he doesn't hear everything. Diesel is trained to listen out for important sounds that Rayane might miss. Diesel is Rayane's ears. Together, they're unstoppable!Rayane needs Diesel's help to do his Sunday chores. But first, Rayane teaches Diesel a new command – 'find it'. When Rayane squeaks his squeaker and makes the sign, Diesel has to find it. Diesel loves learning new commands! After a successful practice session, they're ready for their chores.Their first task is to listen for the timer so that Rayane can get Mum's ice lollies out of the freezer. Will there be a special doggy ice lolly for Diesel? Then Diesel has to alert Rayane when the washing machine is finished so he can hang his football kit up to dry. But just when Diesel thinks they've completed their mission, there's a new sound in the house that he's never heard before. Is it something dangerous? Diesel bravely sets off to search the whole house from top to bottom. Just wait till Dog Squad hear about this!