Spencer goes undercover as a prison inmate to investigate the possible reasons for the murders from the man convicted of committing the crimes. To Spence's dismay, the man (who is too scared to say anything about what happened) commits suicide before he can be coerced into revealing who the real killer is.
Elenco: Trevor Eve , Sue Johnston , Tara Fitzgerald , Wil Johnson , Esther Hall , Holly Aird , George Rainsford , Eva Birthistle .