01. Episode 1
When her friend doesn’t get home one night, Tosh persuades DI Calder – now a resident of the Isles – that something is wrong.
02. Episode 2
The hunt is on for Ian Bett as a picture of Anton Bergen begins to emerge. Are Calder and Tosh dealing with the revenge of a jealous ex-husband?
03. Episode 3
As Calder and Tosh wrestle with the revelation of Annie’s past, Noah offers a cryptic clue about the night she was killed.
04. Episode 4
The team uncovers the sinister truth behind the facility. But the investigation is diverted when Astrid Jakobson goes missing.
05. Episode 5
Calder and Tosh discover the truth behind Rossi’s mission. They must identify Annie’s killer before he can exact his revenge.
06. Episode 6
Calder and Tosh turn their focus onto Lisa, until her confession unearths a shocking event and leads the team back to Annie’s inner circle.