Netflix has debuted the first trailer for their upcoming original series Hemlock Grove, from executive producer Eli Roth. The streaming service has also announced that all 13 episodes of the series will be available for Netflix subscribers starting April 19. Take a look at the first footage from this horror series, then read the official press release for more details.

The Netflix Original Series Hemlock Grove, a riveting and eerie mystery from executive producer Eli Roth and based on Brian McGreevy's novel of the same name, will be available for members to watch instantly and in its entirety beginning April 19, 2013.

All 13-episodes of the series, which stars Famke Janssen (X-Men), Bill Skarsgård (Simon & the Oaks), Landon Liboiron (Terra Nova), Penelope Mitchell (6 Plots), Freya Tingley (X), and Dougray Scott (Mission: Impossible 2) will debut concurrently in all territories that Netflix is available - U.S., Canada, the UK, Ireland, Latin America, Brazil and Scandinavia. Here's what Netflix chief content officer Ted Sarandos had to say about the show.

Hemlock Grove is unlike anything else in its genre. It's sexy, gripping, emotional and twisted, and we're certain viewers are going to be captivated by its intensity."

The series revolves around the eccentric residents of a dilapidated former Pennsylvania steel town and the murder of 17-year-old Brooke Bluebell. Through the investigation, the town's seamier side is exposed, revealing that nothing is what it seems.

Hemlock Grove marks the first foray into television by internationally acclaimed horror master Eli Roth (Hostel, Cabin Fever), who also directed the first episode. The series is executive produced by Eli Roth, McGreevy & Lee Shipman, Mark Verheiden, Deran Sarafian, Eric Newman and Michael Connolly. The series was developed by Brian McGreevy & Lee Shipman. This one-hour murder mystery is produced by Gaumont International Television for Netflix.