Five Red Herrings (1975)

Hailed by critics as the finest mystery series ever filmed, this original BBC adaptation of the Dorothy L. Sayers novel stars Ian Carmichael as aristocratic detective Lord Peter Wimsey. Wimsey goes on holiday in Scotland, hoping to relax and catch some trout, but he is soon called on to catch more than fish when Campbell, an unpopular local artist, is found dead. Campbell appears to have taken an accidental fall, but his hot-tempered behavior and ongoing feuds with several local men suggest mur…