Swannie''s life is changed forever when she saves a beached dolphin. In gratitude, Matmaka, the thankful dolphin, drops hints about her unique heritage. How does he know? Swannie is holding out hope that her father who went missing during a raging storm might still be alive. Could the dolphin be helpful in locating her father? Before returning to the ocean, Matmaka sends her on a quest to find the Golden Secret, which ultimately leads her to Amarvin Island, where mermaids once frolicked before they fled from Nairamba, the monster serpent that feeds off greed and lies. What will it take to free the island of its many troubles so that the mermaids may safely return to Amarvin? The people, animals, and nature spirits Swannie meets on the way are willing to help, including Feliciana, her new friend from school. Will it be enough?

Swannie''s life is changed forever when she saves a beached dolphin. In gratitude, Matmaka, the thankful dolphin, drops hints about her unique heritage. How does he know? Swannie is holding out hope that her father who went missing during a raging storm might still be alive. Could the dolphin be helpful in locating her father? Before returning to the ocean, Matmaka sends her on a quest to find the Golden Secret, which ultimately leads her to Amarvin Island, where mermaids once frolicked before they fled from Nairamba, the monster serpent that feeds off greed and lies. What will it take to free the island of its many troubles so that the mermaids may safely return to Amarvin? The people, animals, and nature spirits Swannie meets on the way are willing to help, including Feliciana, her new friend from school. Will it be enough?