On the steps of the court David Collins vows to bring to book those who lied at his original trial, to see the real killer jailed and more importantly, to regain custody of his two young children.

Kathy Hudson has called her small investigative team in for a closed doors session. She brings them up to speed and tells them that in the light of recent developments they will be re-checking every statement that was given to the initial investigation.

The Police investigation focuses on Alice and her motivation for killing her sister. The fact that she and Tara fought over Alice's inability to repay £20k lent to fund private ivf treatment together with the hostile texts exchanged between them suggests a visceral hatred between them.

Cathy angrily confronts Will who vehemently denies sending the photos & Cathy visits David to explain her suspension. As Cathy leaves, Phil tells her in no uncertain terms that she's no longer welcome & to stop visiting. When challenged he claims it's what's best for David.

39-year-old teacher Sally Wright was convicted of murder, and, although it was never proven, she was also accused of having a sexual relationship with one of her teenage students - gifted and talented Matty Taylor. Overnight her life imploded. She lost her freedom, her job as a teacher, and her marriage collapsed. Two years into her sentence, her husband filed for divorce.

Anna Stamp becomes the focus of the police investigation when her boyfriend discovers Anna’s troubling obsession with the murdered boy.