Join a deadly hunt fuelled by love, revenge and pure adrenaline to find a legendary ring and break the curse.
Tamsin Lark has always been a Hollower, a treasure hunter, and when rumours swirl about a powerful ring from Arthurian legend that can break her brother's curse, she embarks on her deadliest hunt yet.
But she's not the only Hollower who covets the ring and Tamsin is forced into an alliance with the last person she can trust, her rival Emrys. Together, they must journey from underground Boston to the cursed ruins of Avalon where the ghosts of the past await . . .