As Olivia and Chasseur face off at the Mill, Shelley learns the awful truth about her family, and Peter and Roman uncover the killer's identity.

While Peter undergoes questioning, Roman proceeds with his final transfusion. An unexpected alliance forms when a threat to Olivia’s life is revealed.

The tragic conclusion to the Hemlock Grove killing spree leaves both the Godfrey and Rumancek families devastated, with the final horror yet to come.

A family reunion unfolds with layers of typical Godfrey dysfunction. Peter and Roman’s quest to save lives forces them to reveal their true natures.

Roman tells Norman the truth about their family. Olivia’s rehabilitation takes an unexpected turn. Destiny discovers what the murderers are plotting.

Peter recuperates at home. At the White Tower, Roman takes care of unfinished business and Norman has a final confrontation with Olivia.

A weakened Roman emerges from his coma and reunites with Peter to stop the killer. Hemlock Grove braces itself for another lethal full moon.

Miranda and Roman seek medical advice. Peter and Destiny must find a new way of helping Lynda when her attorney informs them the case is hopeless.

Roman undertakes his first treatment with Dr. Pryce; Norman sets up a rendezvous with a beloved relative he thought was lost forever.

Peter Makes a bold move to head off a war between the Gypsies and the Croatian mob. After an agonizing detox, Pryce delivers disturbing news.

Peter and his mother hide from vigilantes seeking the killer, while Christina disappears, and Roman finally begins to face the truth about his nature.

Peter returns to Hemlock Grove in search of money to afford a lawyer for Lynda while Roman tries to satiate his newly found appetite.

Roman’s hunger tempts him beyond his self-control. New evidence arises in the search for Shelley. Peter comes to the aid of a child in need.

The search for Miranda and Nadia digs into Spivak's past. Roman has an encounter with a mysterious stranger. Andreas and Destiny plan their future.

Roman confronts Peter at the crime scene, finding common ground. Letha reveals a shocking secret and Olivia and Norman fall into old habits.

Shelley's connection to Dr. Pryce is further revealed, Destiny helps Peter understand the recent murder and the gala at the Tower goes horribly awry.

Peter explores the scene of his haunted premonitions. Meanwhile, Olivia demands exclusivity from Norman at all costs.

Annie reveals her secrets to Roman as they probe a connection between two attacks. Olivia is unable to feed and Miranda must fend for herself.

Pryce deduces the nature of the creature and looks for links to the Pivak monster. Roman explores upir customs. Peter grills Andreas about the heist.

A plan to save Olivia requires a search for the perfect mark at an upir conference. Destiny confronts Roman about Andreas.

Christina discovers a new victim and Sheriff Sworn gets outside help from Dr. Chasseur. Now a suspect, Peter joins Roman to find the killer.

Roman invites an outsider to be his guest. Destiny attempts to bring clarity to Peter’s dreams. Olivia grows frustrated adapting to her ailments.

As Olivia's condition worsens, she drops a bombshell on Roman. The wolf pack struggles to hide the truth about Andreas from Destiny.

Aitor ponders leaving Hemlock Grove and asks Shelley to join him. Roman manipulates Peter into turning on Milan.

Gruesome discoveries await Roman and Peter at Spivak's cabin. As Olivia's time runs out, she targets her son. Pryce consoles a heartbroken Shelley.