Neil Fitzgerald

In 1922, an Irish rebel informs on his friend, then feels doom closing in.

An accountant suddenly suffers from amnesia. This appears related to the suicide of his boss. Now some violent thugs are out to get him. They work for a shadowy figure known simply as The Major.

The invention of an atomic weapon - a long-range ray that can detonate explosions - sends Scotland Yard and Captain Drummond into action.