When a military helicopter crashes into a detention centre, the team are on hand to investigate.
Still investigating the helicopter crash, the team suspects that the RAF are covering something up.
Leo investigates the death of a young boy and finds that his hands and legs are amputated and he had HIV.
With three people found dead, the team start to suspect that there is a link with the school.
A car accident reveals a coffin supposed to contain one body but there are two as Harry investigates.
Leo and Harry have to investigate when Nikki is found unconscious with a head injury as Claire Kowalski is missing.
A past case comes back to haunt Alexander after she had helped to acquit a woman charged with murder.
With the revelation that Anna's mother had lied, Nikki starts to doubt her previous conclusions.
An insurance dispute is taking place and Harry is asked to investigate the death of a woman who fell to her death.
After being released by the police, a man is found dead in his caravan and it appears to be suicide.