The grid died at 6:14 on a Friday. Something else switched on. Cole Merritt was ninety feet up a pole when every light in the world went out, engines, batteries, phones, all of it, and blue text hung itself in the air like a past-due notice. The Ledger had arrived: a System that runs on tariffs instead of mercy, where light is the only safe territory, kills pay Current, and every square yard of survival is a utility bill. The System gave the fighters flashy combat classes. It read Cole's employment file and gave him LINEMAN, the trash utility class nobody wants. Except the dark is full of things on a schedule. The county's survivors are huddled under candles with 72 hours on the clock. His daughter is forty miles and nine dead substations away. And it turns out there is exactly one class that can string light from town to town, pole by pole, splice by splice, through everything the dark can field. The monsters have a foreman. The foreman files paperwork. And the deeper Cole strings his Line into the dark, the more the dark's flawless, lonely, regulation workmanship starts to look like something impossible: family. Dead Line is Book One of Gridfall: a complete story with a real ending, blue-collar competence, brutal System economics, found-family crew loyalty, and a hard-earned finale that pays off every thread. For readers who think the best superpower is a man who knows what he is doing.