What to watch on Monday: ‘Whitstable Pearl’ on Acorn TV

Whitstable Pearl (Acorn TV) Based on the novels “The Whitstable Pearl Mystery” and “Disappearance at Oare” by Julie Wassmer, the show explores all the murder and debauchery in the seemingly perfect English seaside town of Whitstable. Pictured above: Frances Barber, left, and Kerry Godliman.