Plot

After discovering the gun used in the drive-by was used in Ash's killing and the kneecapping of gambling addict Felix Murphy, the Commission launches an undercover operation to find out who shot Felix.

The Royal Commission has now established that three crimes: the Nobakht drive-by; the murder of Ash Larsson; and the kneecapping of Felix Murphy, are all linked by the same gun. Under their terms of reference, Janet's unable to investigate her partner's murder, so her team concentrates on Felix. But he isn't talking. Believing the person who shot Felix is integral to solving the three crimes and to uncovering the bigger picture of firearm circulation, Janet targets Felix in an undercover operation, with Sergeant Bianca Grieve as the operative. Meanwhile, Janet's court case over Ash's frozen embryo has gone to mediation. While confident that her legal argument is sound, she's dealt an emotional blow when one of Ash's emails is read out, articulating the pain Janet had unknowingly inflicted upon her partner. Still reeling from this fresh personal blow, Janet is then told the DNA from George's crime scene matches Ash's killer, meaning he's closer than they thought - and could possibly strike again. Despite being urged to step down for her own safety, Janet refuses to be cowed. She asks Tony to take the twins to her mother's place in order to keep them safe as she realises her personal quest to solve Ash's murder is trespassing ever closer to the Commission's terms of reference. With suspicion rife that Todd's money was the proceeds of the sale of a stolen Ferrari 458, it's revealed that in the missing hours before he died, Todd was with Karen Parker, a subordinate of Major Simon Hamilton. And that Major Hamilton bought the same model Ferrari two days before Todd was killed.

The Royal Commission has now established that three crimes: the Nobakht drive-by; the murder of Ash Larsson; and the kneecapping of Felix Murphy, are all linked by the same gun. Under their terms of reference, Janet's unable to investigate her partner's murder, so her team concentrates on Felix. But he isn't talking. Believing the person who shot Felix is integral to solving the three crimes and to uncovering the bigger picture of firearm circulation, Janet targets Felix in an undercover operation, with Sergeant Bianca Grieve as the operative.

Meanwhile, Janet's court case over Ash's frozen embryo has gone to mediation. While confident that her legal argument is sound, she's dealt an emotional blow when one of Ash's emails is read out, articulating the pain Janet had unknowingly inflicted upon her partner.

Still reeling from this fresh personal blow, Janet is then told the DNA from George's crime scene matches Ash's killer, meaning he's closer than they thought - and could possibly strike again. Despite being urged to step down for her own safety, Janet refuses to be cowed. She asks Tony to take the twins to her mother's place in order to keep them safe as she realises her personal quest to solve Ash's murder is trespassing ever closer to the Commission's terms of reference.

With suspicion rife that Todd's money was the proceeds of the sale of a stolen Ferrari 458, it's revealed that in the missing hours before he died, Todd was with Karen Parker, a subordinate of Major Simon Hamilton. And that Major Hamilton bought the same model Ferrari two days before Todd was killed.