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.
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 invites an outsider to be his guest. Destiny attempts to bring clarity to Peter’s dreams. Olivia grows frustrated adapting to her ailments.
Peter explores the scene of his haunted premonitions. Meanwhile, Olivia demands exclusivity from Norman at all costs.
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.
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.
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.
While Peter undergoes questioning, Roman proceeds with his final transfusion. An unexpected alliance forms when a threat to Olivia’s life is revealed.
Peter recuperates at home. At the White Tower, Roman takes care of unfinished business and Norman has a final confrontation with Olivia.