A Quiet Place: a stockpile of pretty much everything you'd need--including an infant-sized oxygen mask, 25 hearing aids, thousands of dollars' worth of video surveillance equipment, a fireworks display worthy of Disneyland, and no condoms????
The nail, especially, bothered me. I mean, nobody'd ever noticed that nail, in all the time they'd lived there? It wasn't exactly inconspicuous. And how did it get there, in the first place? It wasn't put there by the carpenter who built the stairs, that's for sure.