The show examines the strange happenings in Hemlock Grove, a fictional town in Pennsylvania. Roman Godfrey, heir to the town's wealthy Godfrey family, befriends the town's newcomer, Peter Rumancek. Recent brutal murders in the town have stirred up rumors, and the two work together to shed light on the case while also hiding their own dark secrets.
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.
A weakened Roman emerges from his coma and reunites with Peter to stop the killer. Hemlock Grove braces itself for another lethal full moon.
The tragic conclusion to the Hemlock Grove killing spree leaves both the Godfrey and Rumancek families devastated, with the final horror yet to come.
Peter and his mother hide from vigilantes seeking the killer, while Christina disappears, and Roman finally begins to face the truth about his nature.
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 recuperates at home. At the White Tower, Roman takes care of unfinished business and Norman has a final confrontation with Olivia.
While Peter undergoes questioning, Roman proceeds with his final transfusion. An unexpected alliance forms when a threat to Olivia’s life is revealed.
Roman tells Norman the truth about their family. Olivia’s rehabilitation takes an unexpected turn. Destiny discovers what the murderers are plotting.
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.
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 confronts Peter at the crime scene, finding common ground. Letha reveals a shocking secret and Olivia and Norman fall into old habits.
Roman invites an outsider to be his guest. Destiny attempts to bring clarity to Peter’s dreams. Olivia grows frustrated adapting to her ailments.
Christina discovers a new victim and Sheriff Sworn gets outside help from Dr. Chasseur. Now a suspect, Peter joins Roman to find the killer.
Peter returns to Hemlock Grove in search of money to afford a lawyer for Lynda while Roman tries to satiate his newly found appetite.
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.
Peter and Roman follow Lisa Willoughby's trail to the old steel mill where they find a missing piece of the puzzle. Christina's date goes poorly.
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.
Shelley commits an act of independence, Chasseur questions Roman but crosses paths with Olivia, and Peter and Roman's friendship takes a turn.
Roman undertakes his first treatment with Dr. Pryce; Norman sets up a rendezvous with a beloved relative he thought was lost forever.
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.
Letha's interest in Peter takes a turn. Chasseur and Sworn's investigation hits a new low while Roman and Peter stay one step ahead.
As a full moon approaches, Letha's parents discover her relationship with Peter. Despite a crisis of faith, Chasseur prepares to capture the killer.
As Olivia's condition worsens, she drops a bombshell on Roman. The wolf pack shuns Peter, who struggles to hide the truth about Andreas from Destiny.
After drunkenly attacking the Godfrey Institute, Roman falls into a coma and embarks on a subconscious journey of shocking truths and revelations.
Aitor ponders leaving Hemlock Grove and asks Shelley to join him. Roman manipulates Peter into turning on Milan.
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