Inspector Morse S05 E01 Second Time Around

"There's always time for one more pint."

The mysterious death of a former deputy police commissioner brings Morse into reluctant contact with an old rival, Ch Insp Dawson. Morse and Lewis, in uneasy tandem with Dawson, spot a link with the unsolved murder of a young girl 18 years earlier. To find the latest killer they have to unravel the first case again.