Katie Simpson's family and friends prepare for Jonathan Cresswell's murder trial, but the case takes a shocking turn in court.

Detective James Brannigan explores the past of Katie Simpson's sister's partner Johnny Cresswell and a possible motive is uncovered.

The events surrounding the death of promising young showjumper Katie Simpson in 2020, with the police and majority of the equestrian community believing that she had taken her own life, but a local journalist questioned the official conclusion.