ˌɔn sˈiː bˈɛd, wˌɛɹ ðə dˈɑːktɚɹ ɪz bˌiːɪŋ hˈɛld ɪn ɐ bˈʌŋkɚ, ðə hjˈuːmənz ɛksplˈeɪn ðæt ðeɪ ɹᵻɡˈɑːɹd ðə pˈiːpəl ʌv ɛndpˈɔɪnt æz mjˈuːtənts, ænd ðeɪ bᵻlˈiːv ðæt hjˈuːmənz ʃˌʊd biː ðə dˈɑːmɪnənt ɹˈeɪs, sˌoʊ ðeɪ hɐvbɪn ɛkspˈɛɹɪməntɪŋ wɪð kælˈɪsti tʊ ɪmpɹˈuːv hjˈuːmənz.
On sea bed, where The Doctor is being held in a bunker, the humans explain that they regard the people of Endpoint as mutants, and they believe that humans should be the dominant race, so they have been experimenting with Kallisti to improve humans.