The waves wish-wish-wish against the dock. Three slide out of the water, all long legs, short arms and small featureless heads. They slink smokelike through the dark air until they reach a small house on the dry side of town, slipping with ease through the breezy gap under the door, past the growling dog and up the stairs.
A brief silence broken by the ah-ah-ah of a last breath taken with stolen lungs, and a roiling black wisp flows from an upstairs window and lurches back to the dock.
Four slide into the water.
For this flash fiction challenge: Write a story in 100 words.