S08E05: Episode 5
Calder initially reels from the awful news, but quickly becomes suspicious. Tosh worries Harry and Donnie with her pursuit of a controversial new theory.
Previous Episode 
Season 2
Raven Black - Part 1
S2E1 / 11 Mar 2014
Raven Black - Part 2
S2E2 / 18 Mar 2014
Dead Water - Part 1
S2E3 / 25 Mar 2014
Dead Water - Part 2
S2E4 / 01 Apr 2014
Blue Lightning - Part 1
S2E5 / 08 Apr 2014
Blue Lightning - Part 2
S2E6 / 15 Apr 2014
Ashley Jensen
DI Ruth Calder
Alison O'Donnell
DI Alison 'Tosh' McIntosh
Steven Robertson
DC Sandy Wilson
