本季改编自原著系列中的第四本《惊魂街》。　　一场爆炸拉开序幕，随之引爆了一系列惊人的秘密，动摇了斯劳部门本就不太稳定的关系。

　　The British broadcaster and U.S. streamer will co-produce Lockerbie, a factual drama that will explore the joint investigation into the 1988 disaster by Scottish and American authorities.　　Pan Am Flight 103 was en route from Heathrow to JFK when a bomb exploded in its holdover the small Scottish town of Lockerbie, killing 270 people. It was the worst terror attack ever on British soil.　　They will draw on extensive interviews done by Morane-Griffiths, who spoke to Scottish police and U.S. investigative agencies. The series will also examine the bombing’s impact on the people of Lockerbie.