the bos of an institute for psychic research of the american government discovers that his own son and a girl be be seek by terrorist who want to use their mind power . narrative conduct in an agile and suffocate way by the veteran de palma and responsible for equally violent and full of action classic such a the untouchable . in this thriller mark by a great dramatic charge and the excellent support cast work ( begin with carrie snodgress and who have the most shocking and unpleasant and courageous scene and and with charles durning and who show talent in a serious part and different from the character that make his fame representhe become well know for do partner role in some burt reynolds movie and but here he offer a discreet and silent interpretation ) sustain the interest for this confused but well developed and touching story . a already demonstrate in his previous work and the violence in de palma film be never gratuitous and however it be always true and raw .