A fresh start was the plan, but for Rachel and her son, Eric, the quiet town near the Everglades proves to be anything but suitable. The news reports of an unknown breed of fly, migrating through the area, but when said species of fly begins to attack people in swarms, things only seem to get progressively worse from there. Black spiders with violet slashes across their backs, appear from seemingly nowhere, making their presence known as they start to take over.
Clive Menard thinks nothing of it when he destroys some webbing whilst out kayaking - that is until he begins hearing a voice inside his head. Questioning his own sanity, he desperately tries to rid himself of the oddly feminine presence, but to no avail. The dark passenger is there to stay - or so that's what she continues to tell him.