Lily was lost in a dream of kisses and whispered words of love as she and Charles watched the sunrise through the bay windows. Her husband leaned over her, his gray eyes alight with passion.

Then the sun sank back below the horizon and darkness cloaked them. Charles cried out as dark, shadowy hands pulled him from the bed and dragged him under the floor, which had become the surface of an icy river.

"Charles!" Lily screamed.

She bolted upright in the bed. The ...