When former FBI agent William Harrison begins receiving mysterious postcards with the signature "Echo Tango", he's alerted to a cover-up beyond anything he ever thought possible.
His informant turns out to be a guilt-ridden ex-operative in the Saint Mary Project, an ultra-secret program engaged in alien contact. The organization is wiping out loose ends, and Echo Tango thinks Harrison is the man he needs to stop it.
"Government alien coverup"
Early in the 24th century, human pioneers on the fringe of Earth's interstellar colonial frontier make a profound discovery: The first evidence of intelligent alien life. But the discovery now haunts humanity's past. Although the explorers judge the ancient alien species of space-faring reptilians, known as Angorgals, to be extinct, they also find evidence the Angorgals had reached Earth many centuries ago and were far more than mere visitors....