The next Inspector Montalbano episode, at 9pm on 3 March, is another new to BBC4 one: The Terracotta Dog and is based on the second book in Camilleri's series. The previous three episodes were based on the third, fourth and first books respectively
A criminal turned state witness informs Montalbano of an arms stash in a cave just outside Vigata. Also uncovered in the cave is a secret chamber where the bodies of two lovers, killed sometime in the 1940s, were buried in a bizarre ritual. An intrigued Montalbano must challenge the Mafia and deal with the arms cache before he can investigate this second find.