A modern day pirate story . . . Oliver Strange is helping his father collect frog data in Madagascar when he and his friend, Zinzi, come across a strange laboratory and a girl held captive. Then his father disappears. While searching for clues, Oliver and Zinzi discover more than frogs, lemurs and giant boas lurking in the trees. The forests are filled with ghosts of the past, when pirates plundered the coast. They uncover a dark secret that could rip the heart out of the forest. Not just Oliver's father, but all of them are in grave danger. Will they escape? Or will they too become ghosts of Madagascar?