When Grandad's Pen Pal comes to visit and he wants to show off his family, Lulu and Bruce have their hands full trying to keep Mum and Dad's zombieness a secret while Frankie is away at science camp.
With Frankie away at a science camp, Lulu and Bruce have to think quick when Grandad's pen-pal, Aubrey, a multi-hyphenate rescue expert, comes to visit and demands Mum and Dad be trained as volunteer crew in the under-staffed Tubbershandy rescue services.