After the discovery of Andrew Earlham's body, police seek to determine who killed him, and Laura once again finds herself drawn into Andrew's destructive path.

Feeling the full force of DI Renton's investigation, Laura looks to those closest to her for support. But when suspicions fall on Ian, Laura is left questioning who she can trust.

Winnie makes a surprising confession, prompting Laura to appeal to a former ally for help. However, press interest and Katy's volatility threaten to derail Laura's progress.

The deeply corrosive influence of an old acquaintance becomes clear for Andrew. Meanwhile, the tragic recent history of Laura's family helps explain the deep bond she and Katy share, as well as the lengths Laura will go to for those she loves.

A vital piece of evidence comes to light. Laura, blindsided, seeks to discover its origin, and with Katy and Liam's help, she's led to a startling new suspect.

In a last-ditch bid for her freedom, Laura takes drastic measures to hold Oliver to account, and the truth of what happened on the morning Andrew died is finally revealed.