The girl had been staring into her mirror all morning before she picked up the small bottle of sulphuric acid and poured it over her forehead. Samira was a young woman with her whole life ahead of her. What could have brought her to this? 

DC Jerry Pardoe and DS Jamila Patel of Tooting Police suspect it's suicide. But then a meek husband kills his wife, and the headteacher of the local school throws her pupils out of a window. It's no longer a random outbreak of horrific crimes. It's a deadly virus. And it's spreading. Somehow, ordinary Londoners are being infected with an insatiable lust to murder. All of the killers were wearing secondhand clothes. 

Could these garments be possessed by some supernatural force? 

The death count is multiplying. Now Jerry and Jamila must defeat the ghost virus before they are all infected....