Whodunnit?

- Season 5

(1977)

It's 1925 and a weekend party is taking place at the country house of Colonel Nickerson when a fabulous ruby belonging to a wealthy Maharajah is stolen.

Rehearsals for an am-dram murder mystery at a local village hall are interrupted when the murder victim is murdered for real. Fortunately the local police constable is on hand, playing the butler, to lead the investigation.

It's the 70th birthday party for the bad-tempered Chairman of the Board - and an exploding cake is set to ensure that things go with a bang.

A top scientist at a government research facility has discovered a new and revolutionary formula - but is gunned down in his lab before he can take the credit for it. Can the panel make the necessary calculations and find the culprit?

At a ballroom dancing contest held for workers at a chemicals factory, one particular couple seem to attract the judges' attentions - but for entirely fatal reasons...