When Emma sees the spectral figure lingering on her beach where no person should be lingering, she knows she must do something. Her husband, her beloved Steven has been returned to her only that day. But he’s a changed man. An exhausted, embittered, unresponsive one. And now it’s up to Emma to save him from strange and unseen forces that seem to want to thwart her at every turn.

But what about the woman on the beach? Who is she, and why does she only appear on the nights when lightning flashest its brightest? When it flashes closest to shore? What about the strange staircase Emma glimpses only during the most violent of those lightning storms?  A staircase that isn’t even there?