In Episode 5, it is revealed that Sam Haig, an avid climber, died four years ago under suspicious circumstances. Although it appears he fell while climbing alone without proper equipment, inconsistencies arise: his climbing gear was still locked in his car, and no keys were found on him or at the scene. These details suggest someone else may have been involved, raising questions about what is being concealed.

The episode portrays Sam Haig as a risk-taker and loner who frequently went rock climbing, often free-soloing (climbing without a rope) at a crag once a week. His climbing sessions typically lasted about 45 minutes or longer, emphasizing his dedication and solitary nature.

Merritt is shown in flashbacks where she is unhappy with Sam Haig's probing around her workplace. Sam's editor at the Scottish Telegraph assigns him to investigate Merritt's background related to Mhor, hinting at a deeper, possibly hidden family history that Merritt is reluctant to reveal.

Carl and Akram question Paul about Sam Haig to gather information. They critically analyze the circumstances of Sam's death, noting the inconsistencies such as the presence of his equipment in the car and absence of keys, which leads them to suspect that the official story of an accidental fall might be incomplete or misleading.

Yes, the episode includes flashbacks focusing on Merritt and her discomfort with Sam's investigation into her past. These scenes add layers to the narrative by suggesting hidden secrets and tensions between characters, which are central to the unfolding mystery.