Enjoying a visit to rural Northumberland, Canadian Mary Grey is taking a walk in the woods when she is spotted by a volatile young man named Connor Winslow, in this 1961 thriller. Amazed by Mary's resemblance to his cousin, heiress Annabel Winslow— believed dead these past eight years—Connor orchestrates a plan to gain control of the beautiful estate of Whitescar. For a time, their deception succeeds, but one man discovers the truth, sparking a powder-keg of ambition, obsession, and long-dead love.