Rumours are swirling about a powerful ring from Arthurian legend, a ring that could free Tamsin's brother from a curse. But they aren't the only ones who covet it.
As word spreads, many would kill to have the ring for themselves, and Tamsin is forced into an alliance with her rival Emrys - rich, handsome, charming to a fault, and the last person she can trust.
Together, they must travel from underground Boston to the cursed ruins of Avalon, where a deadly secret lies in wait . . .
