Barclay soon recovers while the probe follows closely, building up a dangerous field but unresponsive to full phasers. Geordi and mentally rehabilitated engineer Lieutenant Reg Barclay try to repair it but an intense energy surge from an alien probe of unknown technology electrocutes Barclay and even causes serious damage on board the ship. The Enterprise checks on the Argus array, a giant Federation outskirts astronomical telescope, which stopped signaling data months ago.
