Maddie and Triggs are having a sleepover at Nana and Dadó's, and they have a whole list of things they want to do. But when the electricity suddenly goes out, the group are forced to think of other ways to entertain themselves. Do they really need electricity to have fun with their family?

While searching for unique sounds that their bodies can make, Mum introduces Maddie and Triggs to one of the tiniest sounds of all - the sound of their own heartbeat.

While out for a walk with Mum, Maddie and Triggs meet a new dog and her owner. But this dog is a bit different, this dog has a job! As they walk together to the dog park, Lolo explains all about her life as a working guide dog.