The Twisted Root (The William Monk Series‪)‬

For Miriam Gardner, attending a party at the London home of her fiancé, Lucius Stourbridge, to celebrate their forthcoming marriage, it should have been one of the happiest days of her life. But, after making a sudden exit from the party, Miriam disappears without a trace. Reluctant to cause a scandal, Lucius seeks out William Monk, a detective with a reputation for excellence.