When the four young teens from Okracoke Island, North Carolina, travel to England to return pirate loot stolen from Westminster Abbey in 1718, they learn of far deeper mysteries concerning the Stone of Scone and Blackbeard the pirate.
After giving their friend Mrs. McNemmish the pirate burial at sea that she wanted, four friends, living on Ocracoke Island, North Carolina, find themselves drawn into a dangerous adventure related to the long-ago exploits of the pirate Blackbeard.