The group planning to destroy the British Empire realize a huge threat is Colonel Duncan Grant so they elect to assassinate him. Their bullets miss, however, and kill the Secretary of State for War. This makes Grant very determined to hunt them down, an adventure that will take him from London to India. "The assassination of a Cabinet Minister and the bombing of London lead to thrilling drama played out in London, Paris, Bombay and the Indian Frontier. There in desperate straits, hedged round with enemies, Colonel Grant catches sight of his supreme romance. Scarcely has it matured before the tragic climax of the book is reached - the death of Colonel Grant. He died as he would have wished - fighting against great odds."