Weaver believes he can spend the rest of his life in sunny exile, but a letter from Liverpool eventually arrives telling him his young son has been murdered in a crime of futile viciousness.

Weaver is back in his adopted city to find the killers of his young son, but he needs the name of a bent copper from his partner-in-crime Irwin, even at the risk of aborting their well-planned heist.

Doyle has been murdered, and Brown sets out to take his friend's body home to Ireland while Weaver pursues the killers, helped by Hazel.