A famed trumpet player is suspected of murdering a blues singer. Using only two minor clues, he narrows the suspects to four people, but only after surviving poison placed on the mouthpiece of his trumpet!

An American is visiting Britain and finds himself in possession of a briefcase full of secret documents that the spies of many different countries seem determined to get.

A man hypnotizes a young woman into being an opera singer.

Naive Stanley Windrush looks for a career in a family business. Much to his dismay, he finds work at a munitions factory where he has to start from the bottom, while both the management and the labor union use him as a tool in their fight for power.

A psychiatrist treats a woman who is convinced that she turns into a killer leopard because of a family curse.

英国发明家、早期电影先驱威廉·弗里斯-格林的生平编年史。