When a member of one of Jersey's wealthiest families is murdered, the police want their best detective on the case. Meanwhile, a man from Bergerac's past makes a shocking accusation.

Bergerac doesn't care how many cages he rattles in his quest to find kidnapped baby Lily before it's too late. Along the way, he clashes with Charlie Hungerford.

A threatening letter sent to the Wakefields corroborates Bergerac's hunch that they have the wrong people in custody for Cate's murder - and leads to a new suspect, hellbent on revenge.

Chloe finds evidence proving there's some truth in John Blakely's accusations. Meanwhile, an unexpected development leads the team to suspect one of Jersey's most notorious criminals.

A revelation about the night of Cate's murder changes everything. Bergerac's behaviour becomes increasingly erratic, calling into question whether he can continue the investigation.

The race is on to find Kim before she comes to harm. Meanwhile, as Barney prepares to question Margaret one more time, Bergerac has a shocking realisation about the case.