Life appears perfect for super-mum Juliet and self-made businesswoman Lorna. But when a scandal threatens their daughters Grace and Allegra, we realise that nothing is as it seems.

Juliet's night-time secret forces her into a dangerous lie, and Lorna confronts the past she has been 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.

Juliet falls out with Lorna and gets closer to Gigi. As the police hunt for Iris, Allegra does a secret deal with K Rizz, and a photo circulates.

Lorna fights to get Grace back into school, while the two girls panic and try to cover their tracks. The parents have a showdown at Gigi's wild party - and tragedy strikes.

The town grieves a loss, while the police investigate. Will mothers and daughters lie to protect themselves? Juliet's life falls apart when Gigi comes to dinner.

The net closes in on Grace and Allegra, while Juliet and Lorna make a shocking discovery. Gigi's secret is blown, and at Frances's party, the terrible truth is finally revealed.