This is the second book in the Princess of the Sea series, relating to the adventures of Miranda, the beautiful mermaid, and her friends. Captain James Sylvester Pendragon, a notorious buccaneer from Penzance, is cast adrift in an open boat in the choppy waters of the English Channel. His crew have mutinied and left the Captain and his bosun to their fate. Luckily, help is at hand when Miranda swims to their rescue and leads the dreaded pirates to a new life ashore.