DI Frank Paterson joins the team to reinvestigate a 30 year old armed robbery during which 10 million Pounds were stolen and two guards were killed. Paterson's belief that new evidence points to high-level police corruption puts Sandra's team in jeopardy.

A talented young boxer was shot and killed 11 years ago, but the case stalled when the murder weapon was never found. Now that the gun has surfaced, the team reopens the case and learns more than they wnat to know about proffessional boxing.

The 1983 abduction of and 18 year old debutante is a very cold case that just got warmer, a former member of the Irish Republican Front as come forward with new information. Can Sandra and her team learn the truth

`When the team receives new information about a fatal fire, they are drawn into a dangerous criminal underworld. The original investigation was blocked by a wall of silence, which may be crumbling--if a witness can be trusted.

Eight years prior, fashion desighner Ritchie Levene was stabbed to death. There were plenty of suspects, but no evidence. On the eve of a retrospective exhibition of Levene's work, the team takes another look at the crime.

Celebrated graffiti artist Danny "Flak" Tyler was murdered four years ago . So why is "I Killed Flak" graffiti suddenly appearing around London? While the ream focuses on Flak's former crew members, Brian's obsession with Twitter proves distracting

After a recent rape is linked to two unsolved attacks at a chocolate factory, the team examines all three cases and discovers even more dark secrets. Meanwhile, Gerry enlists Sandra's help to quit smoking.

Soon after being released from jail, pedophile John Davies confesses to abduction and killing a 5 year old boy 25 years earlier. Suspicious of Davies's motives, the team reopens the case--to prove his innocence, not his guilt.

Brian goes undercover at the London library, his "spiritual home" to learn what really happened to a cold case victim. When university professor and book lover Richard Symes fell off the roof of his college, was it suicide or murder?

When a psychic tells a dead man's daughter that her father left unfinished business, the team reinvestigates the death of a wealthy financier. Sandra is convinced the psychic is a fraud--until he reveals a conflict involving her late father.