ɐ wˈɜːldwaɪd saɪəntˈɪfɪk kˈɑːnfɹəns ɪz tˈeɪkɪŋ plˈeɪs ɪn sˈɪdni, ɔːstɹˈeɪliə wɛn dˈɑːktɚ. ˈɔːstɪn ʃˈɛpɚd pˈiːɾɚ fˈɑːndə sˈʌdənli dˌɪsɐpˈɪɹz.
A worldwide scientific conference is taking place in Sydney, Australia when Dr. Austin Shepard (Peter Fonda) suddenly disappears.