gambler is found dead, and it is discovered that he had thousands of pounds stashed in his flat, leading the team to suspect that he was part of an illegal betting scam. The wife of the owner then gets killed out riding and the investigation heats up further. Meanwhile, Burke is convinced that a former heroin addict and petty criminal has changed, until he is left with a decision to either arrest a killer or do a deal to catch a more major criminal.
Ex-con Eddie Monroe is found stabbed in a Govan alleyway. Burke meets Angus Ford - a retired police officer who was responsible for Monroe's arrest and subsequent convictions - who remains adamant that Monroe was a bad man who deserved to die. But who was his killer? All roads keep leading back to old acquaintance Daniel Tulloch and his family. In the course of uncovering the truth Burke is forced to face some demons of his own.
Tina Brogan, leader of the Pinnacle pyramid finance group, is found murdered with wads of bank notes stuffed in her mouth. Her estranged husband Terry, an alcoholic cancer victim, is the main suspect though the recently-widowed Jackie feels sorry for him, especially as Tina was carrying another man's child. However,Tina was under surveillance by the Fraud Squad because her enterprise was a scam and she was hoping to escape to Australia with cash conned from investors.Was she killed by a client she had cheated perhaps?