[2] A crime writer murders a blackmailer, and is then asked to help solve the case by the police.

[5] Monthly Film Bulletin said "Competent acting does not compensate for weakmesses in plot construction.

"[6] TV Guide wrote "Though a tightly controlled, well-paced thriller, there are few surprises; the characterizations are well played, and the direction shows a good feel for excitement".

"[1] The Radio Times Guide to Films gave the film 3/5 stars, writing: "This is a better than-average 'quota quickie' from John Gilling, in which crime writer Hugh Sinclair tries to cover his tracks (and delude snooping cop John Laurie) after he kills a blackmailer from his gangland past.

As we know from the outset that he won't get away with it, the fun lies in watching him make the slips that give him away to secretary Dinah Sheridan and her admirer Barry Morse.