Life appears perfect in Richford Lake for super-mum turned author Juliet Lonsdale and self-made businesswoman Lorna Gibbons until their daughters Grace and Allegra are accused by their school of filming a provocative video. The girls deny it, but it's clear they're lying, and we realise that scandal, danger and intrigue sit just beneath the surface of this perfect town.

Juliet's night-time secret forces her into a dangerous lie, and Lorna confronts the past she's hiding from Grace. The girls ramp up the app with shocking results, and Iris is missing. Gigi hosts an event that takes a dark turn when the police show up.

As the police hunt for Iris, the mothers refuse to listen to Lorna's concerns about what the girls are up to. Juliet falls out with Lorna and gets closer to an enigmatic Gigi, while Allegra does a secret deal with K Rizz. The app gets more dangerous, with serious consequences as a photo circulates.

Lorna fights to get Grace back into school, whilst news of explicit photos on the internet shocks the community. Allegra tries to help Grace, but her plan backfires. The parents have a showdown at a wild party hosted by Gigi, where dark forces are at play. And tragedy strikes Richford Lake. This episode contains scenes with flashing lights.

The town comes together in the wake of tragedy. As Grace and Allegra are questioned, will mothers and daughters lie to protect themselves? Lorna and Steven become closer when she finally reveals the truth of her past, but Juliet's life falls apart when Gigi comes to dinner. This episode contains scenes with flashing lights.

The net closes in on Grace and Allegra, while Juliet and Lorna make a shocking discovery that forces them to protect their daughters at all costs. Gigi's secret is blown, and things come to a head at Frances's birthday party, where the terrible truth is finally revealed in dramatic events that have consequences for everyone.