Set against a sweeping Cornish landscape, two couples discover that their toddlers were switched at birth in a hospital mix-up, and face a horrifying dilemma: do they keep the sons they have raised and loved, or reclaim their biological child?
Episode 1 (Episode 1) 7.0
Air date: 2025-01-05
Runtime: 48 min
Overview: When Pete and Maddie find out something devastating about their son Theo, they soon meet another set of parents in the same situation.
Episode 2 (Episode 2) 7.0
Air date: 2025-01-06
Runtime: 48 min
Overview: Pete and Maddie begin an expensive and painful fight to keep Theo, but the constant dredging up of their past starts to damage their relationship.
Episode 3 (Episode 3) 8.0
Air date: 2025-01-12
Runtime: 47 min
Overview: When Miles leaks the story to the press, the fallout hits Pete who soon realises that he must dig into Miles' murky past to save his family.
Episode 4 (Episode 4) 8.0
Air date: 2025-01-13
Runtime: 50 min
Overview: The conclusion of the psychological thriller series. The final court hearing looms and the boys' fate must be decided as Pete and Maddie look set to lose everything.