Line of Duty Wiki

"Lying Nest" is the fifth episode in Series 4 of Line of Duty and the twenty-first overall episode. It was first broadcast on BBC One on 23rd April 2017.


DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.


Main article: Lying Nest Recap


Opening Cast[]

Closing Cast[]


  • Jude North as CSI Officer Bloom
  • Simon Millar as DC Daniel Brightway
  • Arlene Martin Morris as Physiotherapist

Filming Locations[]

Filming locations for this episode include Invest Northern Ireland HQ and the Belfast BT Riverside Tower (AC-12 Building), Belfast Central Library and the Ulster Reform Club (Pelbury House), a coffee shop on the corner of William Street and Royal Avenue (where Lakewell and Nick Huntley meet), a building on Ormeau Avenue (offices for Lakewell, Dean & Stevenson) and Hydebank Wood Youth Offender's Centre (HMP Blackthorn).