Richard Marsh 
The Garden of Mystery [EPUB ebook] 

Sir Philip Ford is intrigued by a beautiful girl in Monte Carlo — until she nearly stabs him, mistaking him for someone else. He returns to England to discover his friend Alan has married this wicked character with the extremely shady past. Eveleen initiates a conspiracy to murder her new husband, planning to throw the blame on the innocent Doris (Sir Philip’s love interest). A suspenseful story, with an under-current of romance.