A police detective finds herself at the centre of the most dangerous case of her life when she is seconded on to the investigation into the murder of a drugs trafficker. What nobody around her knows is that she is the missing witness that the police and the killer are searching for.

Karla Crome, Laura Haddock, Robert James-Collier, Noel Clarke, Lindsey Coulson, Philip Glenister, Geoff Bell, Joe Absolom, Jane Hazlegrove