Still haunted by the case involving the murder of 11-year-old Danny Latimer, DI Alec Hardy and DS Ellie Miller pick themselves up and continue their investigative work, all the while dealing with the far-reaching consequences of the earlier case.
Joe Miller's arraignment opens painful wounds for the community of Broadchurch. Detective Hardy is forced to confront ghosts from his past.
The townspeople struggle to come to terms with recent events, and shock waves reverberate through Broadchurch. What will the impact be on the Latimers? Meanwhile, Paul continues his secret meetings and Hardy must face a figure from his past.
Hardy faces a race against time as Ellie discovers a startling new piece of evidence, forcing them to reassess their suspicions. Meanwhile, with DS Miller coming under intense pressure from all sides, life for Mark and Beth is about to change for ever.
Miller is struggling to control her sister Lucy amid family tensions, Alec must confront his demons, and Mark Latimer has to make a decision.
As Hardy and Ellie continue their unofficial investigation into the Sandbrook case, new information forces them to re-evaluate the things they believe - is it possible that they've been wrong about everything so far? Barrister Sharon receives unexpected help, while local reporter Olly Stevens gets a major scoop.
Ellie tries to wrest back control, and time is running out for Alec Hardy. Meanwhile, Beth Latimer has to face an emotional ordeal alone.
A trap is set, but it remains to be seen whether it will have the desired result. Paul steps in to help a figure in distress, and in a turn of events she could never have foreseen, Ellie finds herself exposed and alone.