Meet the Friendship Fairies - sisters Emme, Holly and Jess. They're just like regular girls, always messing and having fun, but they're also fairies. Their mum works as a spy and she has a new case to crack - and this time she's taking the Friendship Fairies along with her, to a little island off Connemara! All the girls know is that they're going out to sea and that they need to take their swimsuits . Can Emme, Holly and Jess help their mum solve the mystery?