Kevin Whately and Laurence Fox are back as Inspector Lewis and DS Hathaway for "Inspector Lewis 4." Lewis 4 includes the episodes below. Old Unhappy Far Off Things: Oxford's last surviving all-female college is bidding farewell to one of its most prominent professors - but not before Lewis and Hathaway are called in to investigate two murders. Wild Justice: - in the run-up to an election at Oxford's prestigious St. Gerard's Hall, the college is shocked by a string of brutal murders, someone seems to be picking off the candidates one-by-one. The Mind Has Mountains: when a student dies during a controversial clinical trial for a new anti-depressant drug, is it murder or suicide? The Gift of Promise: Lewis and Hathaway are called in when local businesswoman Andrea de Ritter is bludgeoned to death in an apparent blackmail plot gone wrong.