Tally Hamilton finds a cell phone with a contact that intrigues him. Isabelle Hamilton believes she's the victim of a crank caller. The unknown caller doesn't give up and she is slowly seduced by his voice. She breaks up with her boyfriend and moves to Scotland to live with her grandmother. The calls continue and she's determined to find the source. Places he's described to her over the phone lead her to a forgotten graveyard at Cadzow Castle. He had good reasons for not wanting to meet with her face to face but her relentless quest to find him brings them together. He's not what she expected and the meeting leaves her in tears. Colin McLeod, a veterinarian from Edinburgh attending his brother's wedding on the grounds of Cadzow, comes to her aid. He's smitten by Isabelle but her heart belongs to the unknown caller, the lonely Tally Hamilton, a 332 year old ghost.