The police investigation enters a new phase when DI Cadi John and DS Owen Vaughan are called to the scene of a potential kidnapping in the middle of the night, and their concerns that a serial kidnapper is on the loose are confirmed, but a shocked Lowri Driscoll isn't able to offer any information about the identity of her attacker

The police realise the horror of Mali Pryce's circumstances as the post-mortem results come in - and the urgency of the investigation increases.