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.

Exactly how far do you have to push a wallflower before she turns into a Venus flytrap? That’s the question at the center of Starz’s Sweetpea, the dark comedy starring Ella Purnel (Yellowjackets, Fallout) that premiered Thursday.

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.

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

Sweetpea' season 1 is available to stream! Here's more intel on the 'Sweetpea' episode release schedule and when new episodes of 'Sweatpea' drop on Hulu.

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.

Fallout' star Ella Purnell discusses how she became a producer for the Sky/Starz serial killer comedy 'Sweetpea' and developing her character.

Being dubbed a 'coming-of-rage' story and based on C.J. Skuse's popular novels of the same name, Sweetpea sees the brilliant Ella Purnell ( Yellowjackets, Fallout) transforming Rhiannon from timid wallflower to knife-wielding avenging angel.