Dark Heart S1, E4

DI Will Wagstaffe and his team investigate horrifying and brutal attacks.

Cast:Tom Riley , Joseph Teague , Anjli Mohindra , Charlotte Riley , Miranda Raison , Edward Akrout , Michele Austin , Jason Maza , Alex Carter , Gregg Chilingirian , Yasen Zates Atour , Tom Brooke , Kobna Holdbrook-Smith , Natalia Kostrzewa , Grant Burgin , Simone Kirby , Tom Canton , Justin Salinger