In the first episode: a savage and unprovoked axe attack on a woman in broad daylight in a shopping precinct triggers a huge manhunt. As she desperately clings to life, detectives must capture the suspect - the woman's ex-partner - who has gone on the run. They will have just 24 hours prove he is guilty...

A vulnerable man is left fighting for his life after two men, seemingly bent on revenge, force their way into his home and savagely attack him. He dies from a single punch. Police and dog handlers dramatically chase the suspects through the streets. But can detectives now gather enough evidence to charge their suspects with murder?

A man is brutally beaten with a suspected knuckle duster in his own home in Hull and later dies in hospital, launching an intense and urgent murder inquiry. A young woman who called the ambulance is arrested - but is she responsible or a crucial witness? In the first of two episodes, can the murder detectives unravel the truth from the lies and nail the killer?