The Brokenwood Mysteries: Sour Grapes

With Brokenwood touted for its burgeoning merlot, the annual wine show is a major event. Having bought a 10-acre block with maturing grapes, no one is looking forward to it more than DI Mike Shepherd. But when a guest judge and wine critic is found dead, drowned inside a fermenting vat, the show takes second place to the murder investigation.