It's 100 not out for Midsomer! The final cases of Season 16 includes the 100th episode from the evergreen mystery.

In the villages of Midsomer there are strange murders to solve, new clues to examine and scores of suspects to suspect as D.C.I. John Barnaby and his new sidekick, DS Charlie Nelson investigate. Their caseload includes delving into the world of stunt pilots and military heroes where many dark secrets are discovered; and a death caused by a murderous tin of biscuits leads them to Denmark to join forces with the Copenhagen cops to solve the killing.

CASE 4 THE FLYING CLUB
Bernard King, the owner of Finchmere Airfield, is hit on the head and dropped 400ft from a small plane into a reservoir, killing him on impact. Barnaby and Nelson find the world of stunt pilots and military heroes hide many dark secrets and soon discover Finchmere was being taken to court over noise levels by a local residents’ action group. But is noise pollution the only motive in this sky-high murder case? Grudges, accusations and family feuds will lead the detectives to a squad of suspects.

CASE 5 THE KILLINGS OF COPENHAGEN
Eric Calder, the boss of Calder's Biscuits based in Badger's Drift, collapses and dies on a business trip to Denmark as he opens a tin of his company's famous Golden Clusters, coated with deadly strychnine. Barnaby and Nelson find Eric was on the verge of pulling off a major deal to supply Toft biscuits in Copenhagen, however, the detectives discover he had more than biscuits linking him to Copenhagen.

Who knew the truth about Eric’s double life and what is the real secret of Calder’s Golden Clusters?