Veteran British Airways pilot Robert Brown's call to the police about a serious domestic incident with his ex-wife, Joanna, is used as the starting point in investigating her murder. This episode explores the discovery that officers made at her cottage, Brown's arrest and a comparison between his confession and the far more sinister truth of what really happened

A panicked 999 call comes in from a man called Foster Christian, claiming he is being attacked in his own home. But later, survivor statements tell a very different story...

A coroner records a verdict of accidental death for Susan Nicholson. But her family believe there is more to the story: it isn't the first time her partner Robert Trigg has woken to find his partner has died.

David Browning, a married father of two, confesses that he has killed his boss, Jill. But he claims that he is not guilty of murder, on the grounds of diminished responsibility. But how will the jury decide?

Alan Jermey calls 999 to report that his house is on fire. When his partner Kirsty is found dead, Jermey claims someone broke in and murdered her. But the evidence does not mount up in his favour.

When a family refuse to accept their son Jack died of an overdose, they undertake their own investigation, and identify a man with Jack the night that he died. Dots are joined, connecting four murders.