At the turn of the twentieth century, Arctic explorer Edward Mackley sets out to reach the North Pole and vanishes into the icy landscape without a trace. He leaves behind a young wife, Emily, who awaits his return for decades, her dreams and devotion gradually freezing into rigid widowhood.

A hundred years later, on a sweltering mid-summer's day, Edward's great-grand-niece Julia moves through the old family house, attempting to impose some order on the clutter of inherited belongings and memories from that ill-fated expedition, and taking care to ignore the deepening cracks within her...