Sherlock Holmes in New York

Sherlock Holmes in New York is a 1976 television film about Sherlock Holmes and Doctor Watson, played by Roger Moore and Patrick Macnee, respectively.

During their investigation, Holmes and Watson are reunited with their old acquaintance Irene Adler, now a popular musichall singer, who reveals that Moriarty has kidnapped her son. Moriarty has also left a note for Holmes informing him that he will be approached by the police soon for aid in a crime, and should he not refuse Moriarty also informing him that he should provide no reason for his refusal the boy will die.Holmes is subsequently contacted by the NYPD regarding the recent apparent theft at the New York bank, with the entire vault of gold bars having vanished seemingly overnight. To protect the child, Holmes refuses the case, but he and Watson later manage to track down and rescue the boy, thus removing Moriartys blackmail card. ........

Source: Wikipedia