Partners in Crime is a British drama television series that began on BBC One on 26 July 2015. The six-part series is an adaptation of two Tommy and Tuppence detective novels by Agatha Christie. The novels are adapted from the short stories of Partners in Crime; the first three episodes from the 1922 novel The Secret Adversary, and the last three episodes from the 1941 novel N or M? The series was not renewed for a second series by the BBC.