AUNT EFFIE is restless. She and her 26 nieces and nephews are off again in the scow Margery Daw — on a treasure hunt across the pirate-infested waterways of the Hauraki Gulf and The Waikato. However boat and crew become marvellously sidetracked: the scow is converted into a travelling cowshed for cross-country travel; a hot-pool swim makes the little ones go bendy; the race between Banana Bob’s Model T Ford and Uncle Chris’s Stanley Steamer is fraught with high-jinks and skulduggery.