Sexton Blake and Tinker foil criminal plot connected with the Tongs, and master-minded by "famous stamp collector" and millionaire.

When a young writer is falsely accused of murdering a famous actress, he escapes custody and joins forces with the daughter of a police constable to prove his innocence.

While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.