Shadowed and only dimly visible in the thick London mist on the bank of the river Thames, stood the great house called Edenhythe. And from the moment Rachel entered it, she knew fear.

Penniless and haunted by the recent tragedy of her husband's mysterious death, Rachel had nowhere else to turn save her unknown in-laws, the Harwoods.

But cold, handsome Esmond Harwood seemed to take an almost sinister dislike to her, and except for his young brother, Luke, who vowed to help her, the others at Edenhythe appeared to share Esmond's feelings. Slowly, surely, like the fog that shrouded the house each evening, a dark veil of incredible terror was cast about her...