Arthur Caldwell treasured the silence of his backyard. Since his wife had passed, the shimmering blue water of their pool was his only solace, a quiet place for reflection under the stars. He kept it pristine, a daily ritual of remembrance that grounded him.

But lately, the silence felt heavy, almost watchful. It started subtly at first. A lounge chair shifted a few inches from where he always left it. A wet footprint on the hot pavement that dried too quickly to be sure.
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Arthur tried to dismiss the nagging feeling as the wind playing tricks or his own aging memory. He wanted to believe his sanctuary was still secure. That changed one morning when he walked out with his coffee and saw something bobbing near the filter skimmer.
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