S3, E1: Having fled their lives in Bristol, our supernatural heroes find themselves in Wales looking for a safe haven in which to continue their under the radar existence. With Annie stuck in Purgatory, Mitchell, George and Nina are desperate to get her back. Mitchell crosses into the Afterlife where he meets his guide, Lia, a flirtatious young woman who leads him through Purgatory, making him revisit the crime scenes from his past.