The Victorian home looks cozy from the outside, but Dr Suzannah Lipscomb goes room by room to show how ordinary domestic life could kill. She tests arsenic-laced wallpaper, grows bacteria cultures pulled from a design of Victorian baby bottle, and straps into a corset to demonstrate exactly how it crushed organs and restricted breathing. The industrial revolution flooded homes with new products and conveniences, but with no health and safety regulation in place, gadgets meant to make life easier often turned into slow poisonings or sudden accidents. Lipscomb treats the house itself as a laboratory, working through the nursery, the kitchen, and the parlor to identify what was actually killing people and how doctors and scientists eventually traced the causes. One innovation, a design flaw in infant feeding bottles, is blamed for thousands of infant deaths before anyone understood why. The film builds its case room by room, using reenactment and hands-on experiment rather than narration alone, so the danger of each object is demonstrated rather than just described.