When Mary MacIntosh’s legal secretary goes missing, a frantic search through the white water torrents of the Snake River reveals clues a manic egomaniac drug dealer leaves behind. Ceremonial Shoshone sweat lodge chants lead Mac to the secret Popo Agie cave where she unburies an unimaginable web of conspiracy and betrayal shocking enough to rip apart long-time family ties in this thrilling and epically haunting novel.