[Note: She is to be discovered later, of course, as an imposter and unreal "Madeleine." Scottie ultimately learns that he is following Elster""s mistress,nothis wife, and he has unwittingly become a pawn in his friend""s plot to murder his real wife.She turned and yelled for Glen, but here was no answer.She pounded on the window to alert Rod when he killer passed right through the bars of the cell.Although he killer vanished, she turned and saw an apparition behind her -- it was Tina in the plastic body bag, with a large insect crawling out of her mouth, and coiled eels oozing around her feet.]The scene quickly dissolves to the cafe that evening - at one edge of the airport runway.An airport""s beacon light sweeps across the exterior of the cafe - resembling a prison""s circular searchlight to emphasize the forced confinement of everyone in the city.In the film""s exciting conclusion, she stripped down to her skimpy underwear, then donned a space suit when she realized the alien was present, opened the airlock hatch, and jettisoned the creature into outer space - and then blasted it with white-heat exhaust before entering hypersleep with Jones for the long journey home in theNarcissus("This is Ripley, last survivor of theNostromo, signing off").