Guilty Bonds

In Guilty Bonds by William Le Queux, newly rich Frank Burgoyne falls in love with a Russian spy only to become involved in a massive, international plot concerning a series of murders. Excerpt: Come, have another hand, Burgoyne. I'll have my revenge tomorrow, old fellow, I replied. Why not tonight? It's past two, and I have a long walk home, remember. Very well; as you wish.