The title of this episode translates to "Do Not See, Do Not Hear, Do Not Speak" in English.
Epigraph: "Trust is good, control is better" - Lenin.
The Original UK air date was 28 January 2012.
Iben Dorner (Sanne) & Signe Egholm Olsen (Anne Sophie Lindenkrone) also worked together on Pagten (2009) as Helle & Aris/Iselin respectively.