When Elspeth Noblin dies, she leaves everything to the 20-year-old American twin daughters of her own long-estranged twin, Edie. Valentina and Julia, as enmeshed as Elspeth and Edie once were, move into Elspeth's London flat and through a series of developing relationships a crisis develops that could pull the twins apart. They discover that something is alive in Highgate Cemetery--something unable to move on.