Season 1
When workmen carrying out carriageway repairs on M1 uncover human remains in the central reservation, Cassie and the team investigate.
Cast & Crew
Kevin McNally
James Hollis
Emma Fielding
Amy Hollis
Siobhan Redmond
Derran Finch
James Fleet
Chris Lowe
Sara Stewart
Mel Hollis
Nicola Walker
DCI Cassie Stuart
Alastair Mackenzie
John Bentley
Brid Brennan
Suzanna Reid
Peter Egan
Martin
Gerald Kyd
Adrian Mullery
Sanjeev Bhaskar
DS Sunil 'Sunny' Khan
Carolina Main
DC Fran Lingley
Jordan Long
DS Murray Boulting
Lewis Reeves
DC Jake Collier
Elliot Morris
Asif
Tom Rhys Harries
Elliot Hollis
Indra Ové
Maria Carr
Episode Guide
It becomes clear to the detectives that the four men have conspired to come up with a false account of what took place the night Hayley disappeared. Jake is assigned to track down Tim Finch's ex-wife to hear her version of events - and uncovers disturbing information about Chris Lowe's past. On a personal front, Sunny is offered the opportunity to rekindle his past marriage, and Cassie worries about her father's failing memory.