 In the episode's conclusion, a temporal immigrant, feeling it will take her home or somewhere new, ventures back into the sky, with her ultimate fate left unclear.In "Captain Jack Harkness", the Rift is responsible for sending Jack and Tosh back to 1941.In the present day, Owen uses a "Rift machine" designed by Toshiko to open the rift and bring them back (this episode shows the Rift's event horizon properly for this first time).