Angela Robinson’s new film Professor Marston And The Wonder Women explores the real-life inspirations for the superhero, Elizabeth Holloway Marston and Olive Byrne; their polyamorous relationship with creator William Moulton Marston; and the comic’s depiction of kink. In the video above, Bella Heathcote, who plays Byrne, explains how the filmmakers worked to depict kink in a way that was both honest and accurate.