The secrets and tensions on Shelbury Drive become thornier as friendships and marriages are strained, and the pressures of the extension begin to grow.
Lee cracks on with his building plans, despite the party wall and planning issues, his constant pushing making John feel disempowered in his own home.
After seeing neighbor Nick's CCTV footage of John and Sonia together, a concerned Emma starts to suspect an affair between her husband and her best friend, and begins to probe John… and when she finds that prodding John reveals nothing, Emma decides to investigate Nick's CCTV footage further.
Emma's problems are compounded as neighbours, Derek and Barbara, continue waging their war against her and her extension, citing protection of their beloved tree as the reason. To make matters worse, John hears that Emma has been in contact with her father and furiously challenges her about why she has reconnected with him - the man that continuously took money from them and with whom they had agreed to sever relations with.
Nick, meanwhile, is trying to convince his neighbours to sign his parking permits petition and ramps up his tracking of their comings and goings with his CCTV camera, going door to door and haranguing them with his demands.
Beth gets a flirty message on Instagram from a fellow local photographer. Flattered by the attention and feeling isolated at home, she agrees to meet the stranger for a drink.
Facing pressure from Lee, their aggressive builder, to get on with the construction, Emma pushes her father Terry for an answer on her planning application, and to Emma's surprise, he actually comes through. But at what cost to both her and her family?
Tensions rise between friends Emma, John, Sonia and Alan when they all go out for a night at the pub and the conversation turns sour; why is Alan so intent on winding up John?
And when the superstitious Emma finds out that someone is using her fears to terrorise her, she's forced to confront a terrifying truth… that someone really might be out to get her.