A newly married couple are on holiday in Switzerland,when the husband is called back to England on business. His young wife is taken under the wing of Rex Yelverton who is also on holiday and friendly with the couple. When the husband doesn't return and it seems that the firm he supposedly worked for has never heard of him,a mystery begins to unfold. Yelverton tries to find out the whereabouts of the missing husband,but his loyalty is divided as he becomes enamored of the girl himself.
Several attempts are made on Yelverton's life until finally he is trapped in a room with a 'diabolical device' consisting of a petrol filled balloon and a candle.
This is an excellent thriller of the 1920's which stands the test of time well. ( )