Sixth Commandment, Episode 4

An intriguing premiere. A meeting between an inspirational teacher and a charismatic student in Buckinghamshire ends up setting the stage for one of the most complex criminal cases in recent memory.

As a community mourns, Ben begins a relationship with Peter's neighbour, Ann Moore-Martin, to the increasing concern of her niece Ann-Marie.

The true picture comes to light when Thames Valley Police open an investigation and close in on their prime suspect, making some alarming discoveries along the way.

An astonishing and disturbing finale. When the case comes to court the victims' families discover the true horror of what has happened to their loved ones as new revelations emerge.