It's homecoming at Hemlock Grove high school, but everyone in Hemlock Grove is wearing a mask of one sort of the other. Whilst at the crime scene, Peter is confronted by Roman. Olivia reveals a shocking secret while she goes back to Norman.moreless
A new victim is discovered as Peter and Roman work together to find the killer. Dr. Chasseur helps Sheriff Sworn who thinks Peter is a suspect.
As Peter and Roman make progress in their investigation, Sherriff Sworn and Dr. Chasseur fall behind. Letha starts feeling attracted by Peter.
We learn more about Dr. Pryce's relationship with Shelley. The anniversary gala at the Godfrey Institute for Biomedical Technologies doesn't go as planned and Destiny helps Petter.
It is time for full moon again and Dr. Chasseur intends to capture the killer. Letha's and Peter's relationship is now in the open.
Peter and Lynda have to hide after their trailer is attacked by town vigilantes. Roman faces the truth about who he is and Christina disappears.