Sarah Crowe left Atlanta, and the remnants of a tumultuous relationship, to live alone in an old house in rural Rhode Island. Within its walls she discovers an unfinished manuscript written by the house's former tenant-a parapsychologist obsessed with the ancient oak growing on a desolate corner of the property. And as the gnarled tree takes root in her imagination, Sarah risks her health and her sanity to unearth a revelation planted centuries ago...

Chance Matthews has suffered enough tragedies. The latest--her grandfather's death--has left her shaken, convinced that she will always be alone. What she needs now is time--time to recover, time to determine what her future will be.

What she doesn't need is a strange girl with alabaster skin who knows things about Chance she can't possibly know.

This girl speaks of being charged by an angel to battle monsters and claims she cannot do it alone. She says she needs Chance's help.

Chance doesn't believe in angels. Or monsters. But among the artifacts left by her...