The twenty-ninth mystery featuring Çetin Ikmen and Mehmet Süleyman, stars of BBC Two's gripping crime drama series The Turkish Detective, available to watch on BBC iPlayer.

Ex-inspector Cetin Ikmen has been taken on as a private investigator, tasked with resolving a dispute over the ownership of a beautiful old yali in the upmarket Istanbul district of Yeniköy. Many years ago, the owner of the yali, a famous Turkish actress, fell to her death down the yali's staircase and Ikmen has always suspected foul play. As he sets about uncovering the truth of what happened on that fateful day, a number of dead bodies appear in the streets of Istanbul that cast a sinister light on his investigation . . .