The team investigates when Tom Laird's wife Irene vanishes suddenly, and DS MJ Croft comes to blows with her superior, DCI Ford, when she suspects Tom of murder. MJ is not convinced when new evidence reveals another side to Irene.

Meanwhile, Amy is keen to find Martin Cadzo, who disappeared after testifying against his father in a fraud trial, and whose uncle has left him a large inheritance.

Mary Jane and the team investigate after a 6 year old girl goes missing. Suspicion soon ends up falling on the girl's dad.

Mary Jane and the team investigate after a teenager disappears from a local hostel. They are soon concerned that something sinister might have happened.

The team investigate after Karen Clitheroe's husband suddenly disappears. Mary Jane also founds her relationship with her own father becoming strained.

After Judy reports her fiance Nev missing, the team investigate. They become concerned when they find out some sleeping pills have gone missing.

Mary Jane and the team are called to investigate an old case when a couple whose daughter went missing eight years ago are convinced they've seen her on a beach in Dover.