The Met

A recently qualified response driver in Westminster gets his first chase at 4am when a 17-year-old who has stolen his mum's car refuses to stop.

On the hottest night of the year, a huge impromptu summer party in Hyde Park results in chaos. Police come under attack and there is also a vicious stabbing. Homicide and Serious Crime Command hunt the suspect.

In Stratford, east London, a sergeant responds to the concerns of local residents by attempting to tackle the borough's prostitution problem.

One of the Met's most experienced officers leads his team on a pursuit through London to intercept a car suspected of carrying a gun. Detectives Hitesh Patel and Paul Connelly, officers on Trident, the Met's specialist gang unit, work undercover in Harlesden to take down as many gang members as possible to stop the drug trade thriving on the streets of north west London. And the Met Commissioner, Sir Bernard Hogan-Howe, visits Islington and is confronted by the grieving family of Henry Hicks.

In Hackney, detectives investigate a spate of stabbings and encounter one victim who is reluctant to tell them anything. Detectives from the Met's Sexual Offences Unit try to gather evidence against a man suspected of sexually assaulting a woman with Down's syndrome, but with rape being one of the hardest crimes to investigate, they struggle to understand exactly what happened. The Met's dedicated robbery unit, the Flying Squad, use all their undercover surveillance skills in order to catch masked gunmen who have been targeting newsagents and supermarkets in south east London.

In Brixton custody suite, a detainee has stripped naked and is refusing to come out of his cell and go to court. In another cell, a man has been brought in for threatening a supermarket cashier with a knife. In Croydon, a detective investigates a series of cat killings, bringing in a specialist in animal forensic pathology and criminal profiling experts from the National Crime Agency. While at New Scotland Yard, senior police officers plan the strategy for the year's anti-capitalist Million Mask March.

Homicide detectives investigate the murder of an elderly man in north London, we follow an undercover operation attempting to cut off the drugs supply in east London, and in west London police are on the hunt for Ealing's most wanted burglars.