In Sydenham, south London, 17-year-old Levi Ernest-Morrisonis stabbed outside his house. His mother Bonnie races to hisaid, but he dies in her arms. Detectives from the MurderInvestigation Team must track down those responsible.InHarrow, north west London, a young woman has gone to policeand alleged that she has been threatened with violence andforced into sex work. Her case is investigated by the Met'sModern Slavery Team.In Lambeth, south London, responseofficers Wes and Martha police the streets, while publicconfidence in the Met is at a record low. They respond to acall that schoolboys have been seen throwing fireworks, andthat a man has been seen with a knife in a fast foodrestaurant.