Martor tăcut

SINOPSIS

Part one of two. A university student who has committed suicide is revealed to be the victim of bullying, and concern grows when a gun is discovered in his locker and a memory card in his stomach is found to contain photographs of his tormentors. The team's fears become a reality when a building comes under attack by a rampaging shooter, leaving Harry and Nikki trapped inside while a helpless Leo is forced to watch on CCTV as the dramatic events unfold. Guest starring Phyllis Logan.