 Jack and Tosh arrive at an abandoned dance hall to investigate reports of strange music being heard from within. Jack recognizes the music as from the 1940 s, and just as quickly they turn a corner to find themselves in the 1940 s themselves. Tosh quickly learns that 1941 Cardiff can be a scary place to be Japanese, as Captain Jack Harkness meets a familiar name. Back in 2006, Gwen, Owen and Ianto frantically try to find their missing friends, though complications arise-- not just from their own inner demons, but also one Mr. Bilis Manger, the caretaker of this dance hall where nothing is as it seems...