Martin has his second GMC assessment - mock surgery - and Buddy is missing. Meanwhile, Ken's arrival does not bring good news for Al and Bert, and Penhale unhappy with the arrival of his predecessor, Mark Mylow, who tries to take charge of his investigation.
Elenco: Martin Clunes , Caroline Catz , Joe Absolom , Ian McNeice , Selina Cadell , Katherine Parkinson , Stephanie Cole , Angeline Ball , Roger Lloyd Pack , Jake Wood , Lia Williams , Stewart Wright , Chris O'Dowd , Amanda Abbington , Lucy Punch , Eileen Atkins , John Marquez , Jessica Ransom , Ashton Hinchliff , Louise Jameson .