ðə dˈɑːktɚ ænd ˈeɪs tɹˈævəl tʊ ɐ pˈæɹəlˌɛl jˈuːnɪvˌɜːs, wˌɛɹ ðeɪ bɪkˌʌm ɪnvˈɑːlvd ɪn ɐ kənspˈɪɹəsi ɪnvˈɑːlvɪŋ ðæt ˈɜːθz mænhˈæʔn̩ pɹˈɑːdʒɛkt, dˈuːk ˈɛlɪŋtən, ænd dʒˌæpənˈiːz sˌæbətˈɜːz.
The Doctor and Ace travel to a parallel universe, where they become involved in a conspiracy involving that Earth's Manhattan Project, Duke Ellington, and Japanese saboteurs.