The police investigation culminates with DI Cadi John realising who the serial kidnapper is, and all available police are released. However, on reaching the house, the kidnapper is long gone, and the manhunt continues. Nia, Dylan's daughter, performs a brave act that is beyond her years. The long-simmering tension between Alun Pryce and Ieuan Rhys reaches a boiling point as both men realise that there is no amicable resolution to their argument. Desperate to atone for his mishandling of the Endaf Elwy case, Huw John begs Cadi to make things right. The professional and familial pressures on Cadi mount.