Here is an excerpt from the back of Chains of Fire:
"Samuel Faa, the adopted son of servants, is a Gypsy lawyer with the power to control minds. Isabelle Mason, of the Boston Masons, is wealthy, privileged, and refined, and she has the gift for healing. Tow of the Chosen Ones, they share a past filled with love and betrayal and a future denied by fate--until the day they're trapped underground. no way out. Now way to deny the passion that still burns beneath the surface. And when danger threatens, Isabelle has only one choice to place her trust in the power of the one man she could never forgive...or forget."