When a woman becomes an unwilling witness to a brutal killing, uncertainty clouds her account of the crime. Did she truly see what she believes she did? Directed by Brian G. Hutton and adapted from Lucille Fletcher's original work by screenwriters Tony Williamson and Evan Jones, this psychological thriller features powerhouse performances from Elizabeth Taylor, Laurence Harvey, and Billie Whitelaw. A tense exploration of perception, memory, and the unreliability of eyewitness testimony that keeps viewers questioning the truth until the final frame.