16-year-old Clare can't stop drawing the bizarre, winged skulls she calls "Sammies". Then Clare discovers that her Sammies are exact matches for the Death's Head on the grave of Samantha Forsythe, a teen who reportedly fell to her death over two centuries ago. Isolated and afraid, Clare fears her obsession with Samantha is overtaking her sanity, but it seems she has no choice in the matter . . .