Two years after her child was kidnapped, someone is dead, and as Meghan Shaughnessy is being held in police custody for murder, the events that brought her to this place unfold, including a shocking new secret about much-despised prison inmate Agatha Fyfle. Meanwhile, passionate podcaster Lorelei obsessively digs for the truth about Agatha's case.

Agatha is determined to keep her baby and will do anything to ensure threats are eliminated. Meanwhile, Meghan's reaction to an affair leads her sister, Grace, to suspect the truth of baby Ben's paternity. Lorelei's dogged pursuit of Meghan's family backfires, ending Agatha's hopes of a transfer to a minimum security prison.

Meghan's marriage is on the rocks after baby Ben's real biological father is revealed, and Meghan is forced to tell Jack the whole truth about her affair. Hoping to enlist podcaster Lorelei's help to publicize her pregnancy, Agatha is taken by surprise with the discovery of Lorelei's backstory. Now bonded, the pair hatch a new plan to help Agatha keep her baby in jail, while the child's father has plans of his own.

Bit by bit, Meghan's world is crashing down around her: her husband is moving out and her lover is seeking child custody. In the hospital after a severe beating by prison inmates, Agatha seeks to make her pregnancy public through Lorelei's podcast. However, she's unaware of Lorelei's volatile psychiatric history, and it backfires on Agatha's cause. A desperate Lorelei hatches an escape plan. And following a shocking death, Meghan is arrested, coming face-to-face with Agatha.

A nightmare is unfolding for Meghan as she comes to terms with the death of Jack and her imprisonment with her nemesis. When presented with the chance to take revenge on Agatha, Meghan makes a different choice. Distraught and trying to remain safe, Agatha goes into early labor.

Amid angry protests led by the mother of one of Agatha's infant victims, Agatha's baby is born prematurely, and her tiny life hangs in the balance. Meghan faces a hearing, where the evidence mounts against her. Bitter about Agatha's betrayal, Lorelei hatches a plan to escape from the psychiatric clinic. However, her actions lead to a deadly twist, and, just as Agatha seems on the brink of victory, events culminate in a shocking and unforgettable way.