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.

Six Four Season 1 Episodes...

• s01e01 - Series 1, Episode 1
• s01e02 - Series 1, Episode 2
• s01e03 - Series 1, Episode 3
• s01e04 - Series 1, Episode 4

Six Four Show Summary

Former undercover officer Michelle and police detective Chris search for their missing teenage daughter, exposing the corruption and betrayal that took place during an infamous unsolved case.