Nessandra and her friends discover a hidden, magical city that reveals the answer to the longstanding mystery that threatens the future of their kingdom.
As Nessandra and her friends leave the sheltered comfort of their hidden underwater home, they must face the unknown in the quest to discover the truth about the drywalkers' activities and their threat to the kingdom of Loch.
A young plesiosaur named Nessandra is chosen, along with three friends, to undertake an important journey to save their watery kingdom, hidden in the depths of Loch Ness.
