In the'droid'trade the only use for old units is as spare parts and scrap. So even'See-Threepio'is impressed when he and'Artoo'meet veritable antiques Q-E'and'2-E, two diminutive'Model Es'who have operated a nursery for several generations of'Kalarbans. But despite their longevity, Q-E and 2-E carry a horrific secret that could spell the end for all'droids!