Dark Heart Season 1, Episode 3 : Episode 3

DI Will Wagstaffe and his team investigate the mysterious death of a young nurse on the London Underground. Whilst CCTV reveals the victim fleeing an invisible assailant, forensics find a DNA link to a missing teenager presumed dead for seven years. Aided by his new team DS Rob Mullan, DC Ray Monk, DC Annie Webb and pathologist Dr Luke Paul, Will unearths a bond of secrets and betrayals which leads him straight into the dark underbelly of the city. Starring Tom Riley, Anjli Mohindra and Jazon Maza. Guest Stars: Siggi Holm,

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