60 minutes
When a boat carrying illegal passengers is found crashed in the Thames, the team investigate.
60 minutes
The team follows the trail of the people traffickers, and has to find any remaining survivors before a highly contagious disease breaks.
60 minutes
The team investigates a hit-and-run accident, an arson and a woman who collapsed on her hen night.
60 minutes
The team investigate a man who died on a night bus, an office prank gone tragically wrong and the suicide of a pro footballer.
60 minutes
Harry and Nikki's friendship is rocked by the discovery of the body of Harry's ex-lover.
60 minutes
Memories of his own daughter's death are stirred up when Leo is called in to investigate the suicide of a 14-year-old girl.
60 minutes
Memories of his own daughter's death are stirred up when Leo is called in to investigate the apparent suicide of a teenage girl.
60 minutes
When a third killing takes place on school grounds, Leo races to find some connection between the apparently motiveless murders.
60 minutes
Harry and Nikki are drawn into a war between a medical research establishment and a group determined to take direct action.
60 minutes
With Nikki missing, Harry works against the clock to find out who is responsible for the murders and finds himself in a cover-up.