bˈɪɡ dʒˈɜː kˈæfɚɾi, hˌuː ɪz stˈɪl sˈɜːvɪŋ hɪz tˈaɪm ɪn bˈɑːɹlɪni pɹˈɪzən, ɪz θˈɔːt təbi ˌɛndʒɪnˈɪɹɪŋ ɐtˈæks ˌɔn tˈɛlfɚd, tə meɪntˈeɪn kəntɹˈoʊl ʌv kɹˈaɪm ɪn ˈɛdɪnbʌɹə, ænd ɹᵻbjˈuːz ænd hɪz kˈɑːliːɡz mˈʌst tɹˈæk ðə ɡɹˈoʊɪŋ ɡˈæŋ wˈɔːɹ.
'Big Ger' Cafferty, who is still serving his time in Barlinnie Prison, is thought to be engineering attacks on Telford, to maintain control of crime in Edinburgh, and Rebus and his colleagues must track the growing gang war.