"Number Seventeen" by Louis Tracy is an early 1900s mystery and romance novel. The story is set in London and based on Theydon, a young dashing man, two detectives, and a beautiful girl. The plot also includes families who are unfortunate to share the same serendipity in the suspected murders as they've been to China. One rainy London night when Theydon leaves a theater, a man and his beautiful daughter share his taxi queue. He reaches home only to get caught up along with this man as they are both being accused of murdering a wife whose husband has been killed in China for a political conspiracy...