Nic is lonely, bored in her marriage and haunted by a huge secret. She's not looking forward to her son's school fete until she meets Jen. Nic's thrilled to meet a kindred spirit, but is Jen all she seems, and can Nic's secret stay hidden?

Nic's paranoid about what she said to Jen, and Ollie's birthday party isn't helping. Things improve when Jen's dealer delivers a pick-me-up and the cat comes back. Suzie drops a bombshell, and why are Nic's wedding album and video out?

As the darkly surreal comedy thriller continues, Nic ponders: who is Jen, and who is Katya? It's time for her to reveal the truth about this new mum in town and see what's really been going on.

Jen's still missing, Nic is having more haunting visions, and Dan's nervous about Alex's memorial. Desperate to solve the mystery of Jen, Nic shares what she's learned so far with Lucy when Jen suddenly appears, forcing a tough choice.

Things come to a head in the finale of the comedy thriller: Nic is worried that she is a bad mum, and the pressure mounts at Alex's memorial. Will the truth finally come out?