Inspector Erskine (Stuart Whitman) is determined to put a Communist spy ring headed by Damian Howards (Stuart Whitman) out of commission for keeps. Meanwhile, Howards concocts a scheme to get his hands on some top-secret information. Essential to the spy's success is his former girl friend Kate Waller (Sharon Acker)--but can he convince her that the flame of romance still burns? ~ Hal Erickson, All Movie Guide