His Lordship's Incorrigible Wife (Perilous Secrets #2)
Barbara Monajem

Charles, Lord Kingsdown, supported the French Revolution but barely escaped the guillotine. In England now, he must marry quickly or lose his grandmother’s estate. When he meets Delphie at a Christmas play in the country, it’s love at first sight.
Then Charles learns about Delphie’s reputation. He feels duped and betrayed, but she can’t tell him the truth without revealing her father’s treason. Meanwhile, there are several attempts on Charles’ life. Can Delphie and Charles learn to trust one another and unmask the real traitor before it’s too late?