Cracking a Killer's Code, Pt. 1
S1, E1: Seven years after WWII, four former female Bletchley Park codebreakers return to their crime-solving past. Susan, Millie, Lucy, and Jean team up once again to find the killer.

S1, E1: Seven years after WWII, four former female Bletchley Park codebreakers return to their crime-solving past. Susan, Millie, Lucy, and Jean team up once again to find the killer.