John "Scottie" Ferguson is a retired San Francisco police detective who suffers from acrophobia and Madeleine is the lady who leads him to high places. A wealthy shipbuilder who is an acquaintance from college days approaches Scottie and asks him to follow his beautiful wife, Madeleine. He fears she is going insane, maybe even contemplating suicide, because she believes she is possessed by a dead ancestor. Scottie is skeptical, but agrees after he sees the beautiful Madeleine. Vertigo received mixed reviews upon initial release, but is now often cited as a classic Hitchcock film and one of the defining works of his career. Attracting significant scholarly criticism, it replaced Citizen Kane (1941) as the greatest film ever made in the 2012 British Film Institute's Sight & Sound critics' poll.The film is often considered one of the greatest films ever made.