Jolly and Munk start training with Forefather when they discover that their special abilities as "polliwogs" may be the only way to save the city Aelenium from the Maelstrom.
In a place similar to the Caribbean in 1706, two fourteen-year-old "polliwogs"--humans who can walk on water--rely on a mysterious figure known as the Ghost Trader and a band of pirates to help them escape from the evil that is chasing them.
Merle and Serafin overhear a plot to capture the Flowing Queen, and set out to rescue her and save Venice from the Egyptian mummy warriors threatening the city.
