One by one, Voyager's crew suddenly and mysteriously trades places with mercurial aliens from Nyria III. As Janeway quickly becomes surrounded by these seemingly perplexed strangers who react strongly to the ship's temperature and lights, she must scramble to keep control of her ship. Meanwhile, her confused crew is transplanted to an idyllic yet artificial world.

Deborah Levin (Ensign Lang)
Mark L. Taylor (Jarlath)
James Noah (Rislan)
Kenneth Tigar (Dammar)
Nancy Youngblut (Taleen)