Now, he was searching for the last one. The final number, scrawled at the bottom of the page in shaky pencil, as if written in a hurry.

To anyone watching, he was just another man hunched over a cheap laptop, fighting the spotty Wi-Fi signal that bled through the wall from the internet café next door. But to Luis, this was the last excavation of a ruined city.

5901 2345.

He had typed it ten times in the last hour.

Riiiing.

But he didn’t need the internet anymore.

Two weeks ago, his father, Don Aurelio, had died. A quiet man who repaired watches in a tiny booth in Mercado El Guarda. When Luis cleaned out the booth, he found no money, no will—just a worn leather notebook. Inside, no words, no dates. Only columns of seven-digit numbers. No names. No cities. Just numbers.

The rain in Guatemala City doesn’t fall; it crashes. It hit the tin roof of the tienda like a thousand small stones, drowning out the sound of the old fan spinning above the stacks of instant noodles and powdered chocolate.