It's 1928, and something strange is afoot in the desert town of Placerita just north of Los Angeles. When young biologist Alexis Crawford discovers an unidentifiable specimen washed up in the wake of a devastating flood, it begins a journey that will reveal the dark conspiracies at the heart of California and the secret known only to a few: that beneath the City of Angels is an ancient world of tunnels lined in gold, a world that...