Detective Corcoran's investigation hits a dead end. Doctor Freeman must deal with a cholera outbreak as it spreads through Five Points. Elizabeth attempts to assist with Morehouse business. Donovan recruits Eva to expand influence within his own affairs. Corcoran leans Ellen is pregnant and is once again at odds with Maguire.moreless
Pete, Myka, and Steve team up with a U.S. Marshal to track down two prisoners who escaped prison during a volcanic eruption.
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.
Christina's date doesn't go as planned. Also, Lisa is followed by Roman and Peter to the town's abandoned mill and make a helpful discovery.
Letha goes into labor as we see the whole conclusion of the killing spree and its mysteries unravel. Both, the Rumancek's and Godfrey's, are for ever changed but more horror is yet to come.moreless
Gail's stolen uniform has the rookies looking for a cop impersonator, but it's Chris and Dov who find clues that may offer up the motive. While undercover, Swarek finds himself in a life threatening situation when he and Andy can't stay apart.moreless
When Auggie moves to a new position, Annie has to get used to working with his replacement while she looks into a threat to the U.U.'s spy satellites.