Madame Kali is a chilling and near-constant presence in the new trailer for Penny Dreadful's second season, where she's heard singing the folk song "The Unquiet Grave" before finally shown relaxing, Elizabeth Bathory-style, in a bathtub filled with blood.

It's a fitting reintroduction both to the medium (played by Helen McCrory), who after two appearances in Season 1 will emerge as the primary human protagonist, and to Showtime's Victorian thriller, which returns April 26.

Following the events of the Season 1, which saw the deaths of Mina Harker (Olivia Llewellyn) and, if only temporary, Brona Croft (Billie Piper), the brutal possession of Vanessa Ives (Eva Green), and the unleashing of Ethan Chandler's (Josh Hartnett) savage nature, viewers shouldn't expect the 10-episode second season to be any less grave. If the trailer doesn't make that clear enough, Showtime's official description (below) certainly will. And did we mention the season premiere is called "Fresh Hell"?

Written and executive produced by John Logan, Penny Dreadful also stars Timothy Dalton as Sir Malcolm Murray, Harry Treadaway as Victor Frankenstein, Danny Sapani as Sembene, Reeve Carney as Dorian Gray and Rory Kinnear as the Creature. They're joined in Season 2 by Simon Russell Beale, who reprises his role as eccentric Egyptologist Ferdinand Lyle; Patti LuPone as a mysterious figure of great importance in Vanessa's past; Douglas Hodge as a Scotland Yard investigator; Sarah Greene as Hecate, the powerful daughter of Evelyn Poole (aka Madame Kali); and Jonny Beauchamp as a man with a singular past.

The series returns Sunday, April 26, at 10 p.m. ET/PT.

The psychological thriller PENNY DREADFUL returns with ten episodes for its second season, which finds Vanessa (Eva Green) and Ethan (Josh Hartnett) forming a deeper bond as the group, including Sir Malcolm (Timothy Dalton), Dr. Frankenstein (Harry Treadaway), and Sembene (Danny Sapani), unite to banish the evil forces that threaten to destroy them. Meanwhile, Dorian Gray (Reeve Carney), the Creature (Rory Kinnear) and Brona (Billie Piper) are all waging battles of their own.