 King s Crystal, a glassware factory in Midsomer Magna, faces ruin following the death of its co-owner Alan King. His widow, Hilary, angers her son Ian by marrying Alan s brother Charles, and rumours circulate that Charles and accountant Peter Baxter embezzled funds. When Peter is stabbed to death with a Masonic dagger and Ian starts behaving strangely after finding his father s sketchbook, Barnaby is called. But the answer lies in Cully s new production.