The 'Fallout' star takes us behind-the-scenes of playing a sidelined receptionist who develops an intoxicatingly liberating taste for murder in the Starz dark comedy.

In the new Starz and Sky Atlantic comedic thriller Sweetpea, based on the book series of the same name by C.J. Skuse, a sheepish woman who is ignored and dismissed unleashes her inner wolf. And this girl got fangs.

Sweetpea' star and executive producer Ella Purnell explained why depictions of female rage trend is an 'untapped' genre.

Adapted from the novel by C.J. Skuse, the drama stars the 'Yellowjackets' alum as a bullied and overlooked young woman who reaches a violent breaking point.

On a flight not so long ago, Ella Purnell managed to terrify the woman sat next to her after accidentally giving her a glimpse of the recent viewing history on her laptop. “It was basically 50 shows about serial killers,

You don’t have to have seen the many trailers to guess that the Sweetpea in the title of Sky Atlantic’s new thriller Sweetpea isn’t all that sweet. In the opening scene of episode one, Rhiannon (Ella Purnell) reels off a list of all the people she’d like to kill.

While "Sweetpea" will be a streaming exclusive, Starz also has a linear TV channel. If you don't already have Starz on cable, you can pick it up as an add-on on several live TV streaming services, including Hulu, Sling TV, Fubo, YouTube TV, Philo, and DirecTV Stream.