Mar 30, 2023 · 45m
DC Chris O’Neill is approached by a journalist about a cold case involving a missing girl. His own daughter is also missing, and his wife Michelle goes to London to search for her.
Season 1 Episodes
Browse every episode and jump into details.
Mar 30, 2023 · 46m
Pauline Wallace receives a ransom call. Chris discovers a link between Annabel’s kidnapping and the supposed cover-up in the Julie Mackie case and Michelle confronts Piers.
Mar 30, 2023 · 46m
An unexpected visitor confronts Chris with the consequences of Michelle’s secrets. A visit to Gary McLean’s killer brings Chris closer to the truth and Annabel faces her captor.
Mar 30, 2023 · 45m
Michelle returns to Scotland and accompanies Chris in search of Annabel. Robert and Mackie face off as the truth behind Julie Mackie’s disappearance threatens to come out.
Season 1 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Six Four Season 1 premiere?
Six Four Season 1 premiered on March 30, 2023.
How many episodes are in Six Four Season 1?
Six Four Season 1 has 4 episodes.
What is the first episode of Six Four Season 1?
The season opens with Season 1 Episode 1, "Episode 1". It aired on March 30, 2023.
Go to Season 1 Episode 1