Valeria Brinton marries Eustace Woodville despite objections from Woodville's family leading to disquiet for Valeria's own family and friends. Just a few days after the wedding, various incidents lead Valeria to suspect her husband is hiding a dark secret in his past and she discovers that he has been using a false name. He refuses to discuss it leading them to curtail their honeymoon and return to London where Valeria learns that he was on trial for his first wife's murder by arsenic.