Bad Heston: Part One : Season 13 Episode 6

Whilst investigating a nasty 'cuckooing' gang, Rob comes stumbles across an old acquaintance, Ed, a severe schizophrenic, and he's in urgent need of medical assistance. Rob tries to get him to see Karen at the surgery. Heston is drafted in to help, but Ed is a reluctant patient. Zara takes Daniel's advice to play nice with Cherry, but Zara is determined on getting more pool lessons to 'whip her ass'.