Unforgotten

When human remains are found buried in the central reservation of the M1, Cassie and Sunny begin the task of identifying them.

The search for what happened to Hayley begins as the team travel down to Middenham to meet her family.

Cassie and Sunny begin to interview the occupants of the holiday home in Middenham.

Cassie and Sunny realize the men all lied about that night, and a mistake of Cassie’s has devastating consequences for one of the suspects.

Cassie and Sunny finally get closer to some truth about the night Hayley disappeared, and the case takes a devastating turn for Cassie.

Under the glare of media spotlights, the team race to find the evidence to prove the identity of Hayley's killer.