David Herdeg having since settled down with Allison is living alone with his son, Ben, following Allison's death. His business is slowly failing, Ben's school attendance has dropped and the banks are threatening to foreclose on his house; however, he refuses financial help from Professor Longstreet, the original project director, in exchange for rejoining the United States Navy. In addition to this, he has also been having painful experiences which Longstreet rationalizes as stress-related hallucinations. Unbeknownst to Herdeg, however, Longstreet has been doing some research of his own.