John Rebus spent his life as a detective putting Edinburgh's most deadly criminals behind bars. Now, he's going to join them...In this tense, gripping game of cat and mouse Ian Rankin, 'The King of Crime', returns to his much-loved creation, the inimitable John Rebus, as he faces a case unlike any other.

Host Kelly Gardiner talks with Fiona Hardy and Jock Serong about justice, redemption and the blurred lines between right and wrong.