The Last Detective: Benefit to Mankind

Mod inspires Davies to undergo assertiveness training after his colleagues subject him to another humiliating practical joke and even Julie is impressed when he turns up demanding visiting rights to their dog. Meanwhile, the death of one medical researcher and the disappearance of a second under mysterious circumstances reveal the stakes are high in the pharmaceutical world when a drug to treat Alzheimer's disease is rumoured to be nearing the end of clinical trials. Drama, starring Peter Davison and Sean Hughes