Further horrific discoveries are made at the London house where the Nazi dagger was found.

The arrival of a package containing a Nazi dagger sparks an investigation into the unsolved murder of a Jewish girl in 1945.

Boyd and the team investigate events at a hippy commune in 1967. Double murderer Daniel Lennon is still on the loose.

The team is drawn back to a horrific double parricide from 1967 when a decomposed body is found buried in a Hampstead garden.

Another murder has been committed, but does the answer lie in events at the children's home many years previously?

The team investigates three murders committed over a six-year period after the victims' effects are sent to one of the widows.

The team uncovers a vital secret about murder victim Catherine Keane. Will Boyd get to the truth before journalist Lisa Tobin?

The team investigates when a mummified, sexually-conjoined couple fall through a false ceiling during the renovation of a city bank.

The team discover links between the case of the missing Sudanese skull and the murder of an Iraqi dissident in London.

When a Sudanese presidential candidate goes on hunger strike, the team must race against time to find the Mahdi's skull.

As the team move closer to the truth about the dead boy, his family and the nunnery, they uncover a deep family secret.

The team are joined by new forensic scientist Eve as they investigate the death of a teenage boy who drowned in concrete.