Ilona Karolewna

The owner of a Berlin villa invites 4 friends to stay with him and hires a baroness to supervise their affairs. Meanwhile an ex boxer released from prison becomes involved with the villa when he is arrested for a burglary there.

Harry Piel plays Harry Peel who receives an urgent telephone call from a friend who has returned from South America recently. The call is being made from the circus "Beely" and our hero arrives there too late to prevent the murder of his friend. Now Harry must find his friend's killer and go on a strange mission involving a hidden document.