1Blood, Sweat and Tears (1)
A boxer dies from brain injuries mid-bout. A new DSI takes over the team's investigations. Sam and Wyn bury their mother.
2Blood, Sweat and Tears (2)
Sam discovers why Kevin entered a bare knuckle fight, as well as uncovering evidence of more foul play in the boxing circuit.
3Cease Upon the Midnight (1)
Stuart Evans is in the advanced stages of Aids when he dies, and his body is donated to science. However a routine toxicology test reveals foul play was at work.
4Cease Upon the Midnight (2)
The police make an arrest, but do they have the right suspect? Sam pursues her own line of investigation.
5Only the Lonely (1)
The murder of a married woman who was having an affair seems straightforward. Friction develops between Dr Ryan and the police when the evidence complicates their case.
6Only the Lonely (2)
The murderer makes a direct threat against Sam's life after she uncovers the evidence needed to identify them.
7Friends Like These (1)
The police suspect a violent alcoholic of the murder of an elderly woman. Sam clashes with the police when she refuses to support their case.
8Friends Like These (2)
Sam's pursuit of her own theories leads her into dangerous places, both personally and professionally.