When Keira Sullivan, a young Boston illustrator and folklorist, decides to travel to Ireland to research a Celtic legend about three brothers battling for a stone angel, she pays no heed to warnings not to go from eccentric antiques collector Victor Sarakis, even after Victor drowns under suspicious circumstances in the Public Garden pond. At a Beacon Hill benefit, Keira fortuitously meets FBI agent and search-and-rescue expert Simon Cahill, who later...

It was meant to be an adventure, a night alone on a remote Irish island. Archaeologist Sophie Malone never expected to find Celtic treasure or to end up in a fight for her life in a dark, desolate cave. Now, a year later, she's convinced answers to the mysteries of that night lie in Boston. Who has the priceless gold artifacts that disappeared from the cave...and who is responsible for the whispers she heard in the dark? Nearly killed in an explosion...