Midsomer Murders: Fit for Murder

DCI Tom Barnaby reluctantly joins wife Joyce on a spa weekend at Swavely Manor, a country house offering treatments to soothe the mind and body. However, as he attempts to unwind, a woman is found dead in a flotation chamber and he promptly abandons his therapy to investigate - but the body count soon rises. The detective eventually wraps up the case, but it proves to be his last as he makes a big decision about his future. John Nettles' final appearance in the long-running series, with guest stars Ronni Ancona, Geraldine James and Lesley Manville