Midsomer Murders: Blue Herrings

Barnaby visits his Aunt Alice, who is recovering from an operation at a nursing home, and finds himself in the middle of a mystery. A resident has been found dead and the official verdict is a heart attack, but as rumours of fraud and deception abound, Alice's friend believes the matron and an obnoxious doctor may have conspired to commit murder. Whodunit, starring John Nettles, Daniel Casey, Jane Wymark and Laura Howard