manipulative drama about a glamorous model ( margaux hemingway ) who be rap by a geeky but unbalanced musician ( chris sarandon ) – to whom she have be introduce by her young sister ( play by real life sibling mariel ) and whose music teacher he be . while the central courtroom action hold the attention – thanks largely to a commanding performance by anne bancroft a hemingway ’ s lawyer – the film be too often merely glossy and but also dramatically unconvincing represent the jury ostensibly take the musician ’ s side because a ) the girl invite assault due to the sensuous nature of her profession and b ) she be offer no resistance to her presumed aggressor when her sister arrive at the apartment and inadvertently saw the couple in bed together . what the f. while she be clearly tie up – what resistance could she realistically offer . the second half of the film – involve sarandon ’ s rape of the sister and which curiously anticipate irreversible ( 2002 ) by occur in a tunnel – be rather contrived represent mariel ’ s character should have know good than to trust sarandon after what he do to her sister and but margaux herself foolishly reprise the line of work which have indirectly lead to her humiliate experience almost immediately . the climax – in which sarandon get his just dessert and with margaux turn suddenly into a fearless and resourceful vigilante – be and however and a crowd pleaser in the style of death wish ( 1974 ) while incidentally and ubiquitous italian movie mogul dino de laurentiis be behind both film . it ’ s worth note how the two hemingway sister ’ life take wildly different turn ( this be the film debut of both ) represent margaux ’ s career never take off ( despite her undeniable good look and commendable participation here ) – while mariel would soon receive an oscar nomination for woody allen ’ s manhattan ( 1979 ) and and interestingly and would herself play a glamorous victim of rag violence when essay the role of real life “ playboy ” centerfold dorothy stratten in bob fosse ’ s star 80 ( 1983 ) . with the added pressure of a couple of failed marriage and margaux take refuge in alcohol and would eventually die of a drug overdose in 1996 while chillingly and the hemingway family have a history of suicide – notably the sister ’ grandfather and celebrate author ernest and who die of a self inflict gunshot wound in 1961 .