 Three years ago, a team of astronaut miners completed a daring space expedition.They embarked on their journey home, but by the time the craft returned to Earth, their commander had gone mad—taking a terrible secret with him to a heavily guarded state asylum for the insane.Today, archeologist Lloyd Walker and entomologist Marianne Winters are among a select group of people who are questioning a possible link between the tragic space mission, the mystery of the commander’s madness, and a series of bizarre disappearances and strange accidents in San Francisco.