It'sChristmasandZipandZapareuptotheiroldtricks.Butthistimethey'vegonetoofarandtheirpunishmentwillbenoChristmasvacationandaseeminglyboringboattripwiththeirparentsinstead.Totheirsurprise,thedestinationisaspectacularremoteisland.Butaterrifyingstormrollsinandthey'reforcedtoseekshelteratamansionbelongingtotheeccentricMissPam,wherechildrenwithoutfamiliesenjoyaparadisewithnorules.Helpedbytheirnewfriends,Flecky,MackyandPippi,thebrothersdiscoverthattheirparents'suddendisappearanceinthemiddleofthenightisrelatedtothemysterioussecretbehindtheislandanditsstrangeinhabitants.