Deceit

It's 1992 and Sadie Byrne (Niamh Algar) is a highly ambitious and successful undercover police officer with the Met Police. After playing the key role in a major drug bust Sadie is predictably written out of the story by her male colleagues. And then she's suddenly given the chance to work on a case that could make her career.

Based on a true story and set in 1992 we enter the world of Colin Stagg (Sion Daniel Young) - the MET police's prime suspect in the murder of Rachel Nickell

Based on a true story and set in 1992 undercover officer Sadie Byrne codename Lizzie James meets prime suspect Colin Stagg (Sion Daniel Young) for the first time. Believed to be a highly dangerous operation, she is closely watched by a team of armed fellow undercover officers in Hyde Park, her alias has been carefully shaped with psychologist Paul Britton, and Detective Inspector Keith Peddar.

Based on a true story and set in 1992 Colin Stagg (Sion Daniel Young) is awaiting trial for the murder of Rachel Nickell. But while he is on remand in prison, another horrific attack occurs in south London. Samantha Bissett and her four-year-old daughter have been brutally murdered in their basement flat.