"Stained is about a lonely bookshop keeper, and her past comes back to haunt her. I play a femme fatale, schizophrenic serial killer. They offered me the part and I was like, "I'm just curious why you thought I would be perfect for this role," and the director (Karen Lam) said, "You have this look that, when you're smiling, you're really sweet, but when you're not smiling, you look like you could kill somebody.""