The Ringer is a comedy crime movie set in Great Britain, where a criminal mastermind disguises himself as a detective to investigate a murder. With the help of Scotland Yard and a German Shepherd dog, he uncovers a criminal gang involved in human trafficking. Seeking vigilante justice, he seeks vengeance against the criminals.

Again the Ringer (1965) is a crime drama mystery thriller movie based on a novel. The story takes place in London and revolves around a detective investigating a series of murders. As the detective digs deeper into the case, he discovers a link to a luxury underground organization involved in mass murder. With the help of his skills and determination, he tries to solve the mystery and bring the culprits to justice.