The third series of Line of Duty – consisting of six episodes – premiered on 24 March 2016. The series follows DC Kate Fleming (Vicky McClure), DS Steve Arnott (Martin Compston) and Superintendent Ted Hastings (Adrian Dunbar) as they lead an investigation into the corrupt actions of Sergeant Danny Waldron (Daniel Mays). The series' supporting characters include DC Nigel Morton (Neil Morrissey), DS Matthew Cottan (Craig Parkinson), and DI Lindsay Denton (Keeley Hawes). The storyline in this series is a direct continuation of the second series' plot.