The devil's elixir

What if there were an herb, previously lost to history in the jungles of Central America, capable of inducing an experience so momentous that it could shake the foundations of Western civilization? What if powerful forces on both sides of the law got wind of that herb, and both launched a violent and uncompromising pursuit to be the first to exploit it? FBI agent Sean Reilly and his girlfriend Tess Chaykin are the only two people who can keep the...