Starring John Gregson, Mai Zetterling, John Ireland,

Michael Denison and Tony Wright

Directed by David Eady



Print: black/white

Runtime: 84 min.

Genre: drama

Print Quality: B



Businessman and inventor Richard Hammond is determined to develop and market the perfect light-bulb. In a freak lab accident he is blinded and suffers a partial breakdown. His wife, partner and brother take him to his country house, but then Hammond starts to suspect all is not what it seems.