ðɪ ʌnsˈiːn ˈɛnəmi stɹˈaɪks ɐɡˈɛn ænd ɐɡˈɛn, snˈʌfɪŋ ˈaʊt ðə lˈaɪvz ʌv fˈaɪv sˈaɪəntɪsts ænd tˈuː hjˈuːmən tˈɛst sˈʌbdʒɛkts ɪn kwˈɪk səksˈɛʃən, æz wˈɛl æz mˈeɪdʒɚ hˈaʊɚd, ðə kˈɑːmplɛksᵻz tʃˈiːf ʌv sᵻkjˈʊɹɹᵻɾi.
The unseen enemy strikes again and again, snuffing out the lives of five scientists and two human test subjects in quick succession, as well as Major Howard, the complex's Chief of Security.