In the autumn of 1888, an unidentified killer stalked the impoverished streets of Whitechapel in London's East End, murdering at least five women and leaving a case that has never been officially solved. This film lays out the crime scenes, the police investigation of the day, and the flood of letters and press coverage that turned a local string of murders into a national obsession and gave the killer his enduring nickname. It walks through the neighborhood itself, the poverty and overcrowding that shaped who lived and worked there, and the reasons the Metropolitan Police struggled to make an arrest. Rather than settling on a single culprit, the film surveys the competing theories that have accumulated over more than a century, weighing the evidence and its gaps. What remains is less a solved mystery than a portrait of Victorian London's underclass and the panic one anonymous killer caused within it.