There is a mysterious hidden treasure on Castle Island that Captain Z has spent most her life searching for. Now, with the stolen map, it is finally within her reach. The only problem is she's stolen the map from Captain Spears, the most dreaded pirate in the Western Waters. Now she must use her quick wit, and help from her pet crow Muddle, to get to the treasure before Spears and his ruthless crew get to her first But discovering the secret of Castle Island is just the beginning of Captain Z's adventures as it turns out to be a far more surprising and magical treasure then...