Judge Rinder dives into the disturbing interrogation footage of Diane Staudte and her daughter, Rachel Staudte, where they admit to murdering the rest of their family with rat poison. The series is presented by criminal barrister and television personality Judge Rob Rinder, whose legal background makes him the perfect guide to the dark arts of interrogation. A team of experts analyse police interviews that showcase the skilled work of detectives who crack the case and secure a conviction. The team not only reveals what goes on behind the scenes of each conversation but also gives a unique insight into the minds of both suspects and interrogators as each seeks to gain the upper hand.