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Seasons & Episodes

1
EP1  Episode 1
Mar. 30,2023
Episode 1

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.

EP2  Episode 2
Mar. 30,2023
Episode 2

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.

EP3  Episode 3
Mar. 30,2023
Episode 3

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.

EP4  Episode 4
Mar. 30,2023
Episode 4

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.

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Six Four Trailers

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A dark and compelling story of kidnap, corruption, betrayal, and an uncompromising search for the truth when Chris and Michelle O’Neill’s teenage daughter goes missing.

Six Four Audience Reviews

Hottoceame The Age of Commercialism
Maidexpl Entertaining from beginning to end, it maintains the spirit of the franchise while establishing it's own seal with a fun cast
Taraparain Tells a fascinating and unsettling true story, and does so well, without pretending to have all the answers.
Sameer Callahan It really made me laugh, but for some moments I was tearing up because I could relate so much.