Collateral (2018)

Collateral follows the investigation of a London pizza delivery driver's murder, revealing connections that reach into immigration, politics, and military history. The series blends police procedural elements with social drama, tracing how individual testimonies and institutional pressures shape the search for answers. Its focused, four-part structure uses the case to examine wider questions about accountability, security, and contemporary urban life.

Från IMDB:
Investigating the murder of a pizza delivery man, a London detective uncovers a tangled conspiracy involving drug dealers, smugglers and spies.