Spiral

BBC4, 9pm & 9.55pm

Josephine (Audrey Fleurot, below) is probably the French justice system’s most devious lawyer, but even she could be out of her depth this time. She’s blackmailed into defending a smuggler, while her efforts to help Souleymane look set to end in disaster. Laure and Ali, meanwhile, are having more luck – a new line of inquiry helps them identify their chief suspect.