A signal arrives from outer space, and it's a big one. Something--someone?--is heading toward Earth, and it has sent a message. Scientists in New Mexico are elated. But whom do they tell? Should they protect Earth and its inhabitants or the aliens aboard? Is this a secret they can keep, even if they want to? Memories--and revelations--about the Roswell Incident, the US government's fifty-year old, covert investigation, surface and influence decisions.