ATTACK OF THE KILLER AUNTS!' scream the headlines. 'AUNT PLAGUE MENACES CITY!'

Three children have been dramatically kidnapped by some mysterious, mad aunts. But Myrtle, Coral and Etta are far from killers - they need the children for a special mission. The secret island where they live is a sanctuary for magical creatures - mermaids, selkies, the amazing boobrie bird, and even the great Kraken himself, and the kidnapped children help to care for them. But the Island of Monsters has become the target of some dangerous villains who want to turn it into a theme park.