Joanna arrives in Flinstead with her son, ready for a fresh start, but when she accidentally spreads a rumour that a child killer is living in town, paranoia takes hold. As suspicion spreads, Joanna becomes convinced that her neighbour Sonia is hiding a dark secret, igniting a chain of events that fractures the community.

A shocking turn of events sparks a storm of blame and Bea, distraught, accuses Joanna of causing it all. Shaken, Joanna decides to move back home with Alfie. At school, the tension shifts as Debbie unexpectedly apologises. The town believes Sonia to be Sally McGowan and suspicion mounts while secrets unravel, and Joanna is left questioning.