Iris works painting dolls alongside her twin sister, and dreams of leaving her claustrophobic life. When she meets Silas, a taxidermist, and then Louis a painter, she is offered an opportunity to escape. But this opportunity comes with huge risk.

Iris grows closer to Louis but continues to meet with Silas, who warns her away from Louis. The Madame begins a search for the perpetrator of Bluebell's murder. Iris decides to enter her self-portrait into the Royal Academy exhibition.