Renewed sex with J.D. calms Elliot, who's facing personal and professional dilemmas: She's broke and patients are bailing out on her.

Meanwhile, J.D. and Carla have a disagreement with Dr. Kelso regarding personal involvement with patients, and Turk takes the blame for one of Elliot's mistakes.

The most powerful robot in Robot Wars, Tornado, is back and are angry! Their awful loss by Diotoir in Series 5 has made Tornado go chameleon! Now they're boasting interchangeable weapons: The disc, a spike, a scoop and a...4th weapon that's top secret. Will they blow away the competition this year? We'll find out!
Tornado From: Cambridgeshire Seated: #12 Weight: 98 Kilos Dimensions: 0.41M X 1.93M X 1.38M Power: 2 X 750W Electric Motors Weapons: Spinning Disc Strengths: Interchangeable Weapons Weaknesses: Unreliable Team Captain: Andrew Marchant With: David Gamble and Bryan Moss
Terror Bull From: West Yorkshire Weight: 97 Kilos Dimensions: 0.40M X 1.25M X 0.68M Power: 750W Electric Motor Weapons: Spiked Horns Strengths: Robust Construction Weaknesses: Poor Ground Clearence Team Captain: John Fearnley With: Ben Fearnly
Inshreadable From: Middlesex Weight: 100 Kilos Dimensions: 0.70M X 1.30M X 1.00M Power: 2 X Golf Caddy Motors Weapons: Spin

Accusations of unsportsmanlike conduct on the river are bedevilling the Midsomer game fishermen, and Barnaby has to interview elegant widow Isobel Hewitt, a spendthrift, fast-living, Jaguar-driving 75-year-old, when another lady fly-fisher accuses her of a violent assault. Then first Isobel and later her fellow villager Dr Duncan Goff are found on the river-bank with their skulls smashed in, and there is no shortage of suspects - including an antique dealer who apparently specializes in befriending elderly widows. The picture is confused when one of the suspects, chef-restaurateur Keith Scholey, is found frozen to death in his walk-in deep freeze, with the lock of the door jammed by a nail. Troy has a theory that Scholey was the killer and has made his suicide look like murder, but will that be the end of the affair?.