Shown in the UK by Channel 5 on 23 June 2015 under the title "Lost Letter Mysteries"
The line quoted by the Character Oliver O'Toole "Shane, come back Shane" is from the last scene in the 1953 film Shane
Also shown in the UK as "Lost Letter Mysteries: Love & Tragedy".
Crystal Lowe and Geoff Gustafson previously co-starred in the TV series Primeval: New World.