Intrigue in Los Angeles
F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation. F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation. F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation. F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation.