You Dream Of Dead Guys?

[The Mummy!AU]: Sherlock, with the disastrous help of his older brother Greg, stumbles across an ancient map that's rumored to lead to Hamunaptra, the lost City of the Dead. Said to house the wealth of Egypt. Problem is, Hamunaptra is meant to stay lost, and when the map is partially destroyed, they're forced to rely on a guide to take them there.