Two shy children meet at a noisy pool and dive beneath the crowd into a magical undersea land, where they explore a fantastical landscape and meet various creatures.
Seventh-grader Gabriel Nemo, the famous Captain Nemo's descendant, and his friends Peter and Misty save sinking ships, face mutant sea creatures, and more while eluding the Navy and Peter and Misty's parents.
"Awakening stranded on a tropical island with no memory of what happened, Aster investigates a secret underwater world to find her missing sister, while Sam connects their disappearance to suspicious events in his own life"--OCLC.