Inspector Morse S04E01 - The Infernal Serpent

Morse investigates a tangled web of academic intrigue around the baffling murder of Dr Julian Dear, who was a college don and a famous environmentalist. Dear was killed just minutes before he was due to give a controversial lecture. It soon appears that the most respectable of academic families can have skeletons in the cupboard, but Morse has to put his job on the line to get at the truth.