Under annen verdenskrig arbeidet de med å knekke tyskernes militære koder i det hemmelige britiske senteret Bletchley Park. Ni år senere samles fire av de kvinnelige kodeknekkerne for å kartlegge en seriemorders mønster før han rekker å slå til igjen. Tv-serie i tre avsnitt.
Cracking a Killer's Code: Part 1
S01E01 43 minutter
When Susan Gray spots a hidden pattern in a series of murders, she tries to inform the police. But when they and her husband insist she forget her theory Susan enlists her wartime friends to try and track down the murderer.
Frakr 25
Cracking a Killer's Code: Part 2
S01E02 43 minutter
As Susan and the other Bletchley women close in on the murderer of the five girls, a shocking discovery calls their theories into question and forces them to set a dangerous trap - a trap that puts one of them in even greater danger.
Frakr 25
Cracking a Killer's Code: Part 3
S01E03 43 minutter
Thrown into a chilling confrontation with the murderer they have so brilliantly tracked down, Susan and the other Bletchley women become locked into a ever more dangerous game of cat and mouse that leads to a seemingly inescapable conclusion.
Frakr 25