Final days of Planet Earth : Lloyd Walker is an anti-heroic archaeologist who, after stumbling upon an alien conspiracy, becomes enmeshed in an against-all-odds battle to save the human race. From the enigmatic Room 86 to the doomed Pericles space mssion, Walker puzzles together clues to reveal the dark purpose behind strange events occurring around San Franscisco. Now, the "keeper of dead civilizations" must rescue mankind from slavery at the hads...