Determined to prove his critics wrong and find out whether George has been hiding anything, Arthur attacks the case with renewed fervour, uncovering fresh evidence that suggests a very different explanation to the one found by the police. However, he and Woodie are led into further danger when it seems the Wyrley Ripper is still at large. On a mission that could expose corruption in the establishment, will Arthur be able to show the world that the young solicitor is innocent?
Elenco: Martin Clunes , Arsher Ali , Charles Edwards , Emma Fielding , Art Malik , Hattie Morahan .