"Amy and Dan hit the high seas as they follow the trail of some infamous ancestors to track down a long lost treasure. However, the real prize isn't hidden in a chest. It's the discovery of the Madrigals' most dangerous secret and, even more shockingly, the true identity of the mysterious man in black."--Amazon.com. Amy y Dan golpear la alta mar, ya que sigue el rastro de algunos antepasados i̓̓nfames para localizar un tesoro perdido hace mucho...