New Blood is a British television drama series created by Anthony Horowitz and produced by Eleventh Hour Films[1] for BBC One.

New Blood followed on from the long-running television series New Tricks (2003-2015), also a police detective drama.

[2][3] Initially thrown together by chance and common sporting interests, they later discover that they are working two different angles of the same case.

Kowolski is a junior investigator with the Serious Fraud Office, while Sayyad is a uniformed constable in London's police service, with ambitions of becoming a detective.

In the first case, he secures a second posting as a Trainee Detective Constable (T/DC), having obtained poor reviews in an earlier attempt.