State of Play is a British television drama series, written by Paul Abbott and directed by David Yates, that was first broadcast on BBC One in 2003. The series tells the story of a newspaper's investigation into the death of a political researcher, and centres on the relationship between the leading journalist, Cal McCaffrey, and his old friend, Stephen Collins, who is a Member of Parliament and the murdered woman's employer. The series is primarily set in London and was produced in-house by the BBC in association with the independent production company Endor Productions.