When the evacuation of a London hospital leads to the discovery of a tragic death, Ronnie Brooks and Matt Devlin must investigate.

When a boy is found kicked to death at Euston rail station, Brooks and Devlin discover that the boy's mother is a reformed drug addict.

When former vice cop Frank McCallum is discovered beaten to death in an underpass, Ronnie Brooks and Matt Devlin find their investigation going in unexpected directions.

Ronnie and Matt reopen an old murder case after a body in a shallow grave is discovered.

The remains of an 8-year-old boy are uncovered, 25 years after he was reported missing; Brooks and Devlin re-interview the man arrested during the original enquiry.

Ronnie Brooks and Matt Devlin are under pressure to discover who was behind an arson attack on a Turkish club.