I just woke up from a nightmare about zombies, where the zombies had a consciousness and called to the living. I remember this woman safely protected from them, maybe by bars, and they beckoned to her by assembling the horribly misshapen corpse of her husband who had died in a multiple-car collision.

They did this by actually retrieving the twisted remnants of each of the cars and placing the now-"living" bits of her husband together in a gruesome jigsaw puzzle of unspeakably brutalized flesh and metal. And then, what was left of her husband called out to her to join him while she slowly lost her mind.