In South East England, women have been going missing and turning up dead, most of them fit a very similar victim profile, the bodies that are found are all discovered in similar ways and places. When one woman goes missing after a night out in Swindon, one predator's evil ways are discovered through controversial police work, a confession, and a stash of women's clothing hidden in the woods. One murder leads to another, but how many more women could Christopher Halliwell have killed?