Airdate: The RumourAfter a woman moves to a new small town she uncovers a rumour about a local child killer hiding in plain sight. 2025 British thriller The Rumour premieres this week on BritBox. In The Rumour (based on the novel of the same name by Lesley Kara), Joanna, played by Rachel Shenton (All Creatures Great & Small, For Her Sins, Switches at Birth), moves to a small town in search of quiet life with her son Alfie, played by Eiden-River Coleman. She is increasingly suspicious of the community after uncovering a rumour about a local child killer hiding in plain sight. Joanna seizes the chance to bond with the local mums by sharing it but things take a turn for the worst as it unleashes a wave of paranoia and suspicion.