The silence

Joey McCarthy is stabbed to death in a pub car park in a random act of violence. Shortly afterwards Matt Stone's terminally ill mother dies and then the sister of his best friend, Libby, commits suicide. When Matt moves into a shared house with Libby and five other students, both hope to leave these tragic events in their past. But within weeks DC Gary Goodhew finds the body of another suicide victim with links to both Matt and Libby.