

After his accident, Zoe decided to continue with his plan of murdering Mariana (to get her fortune).

Zoe had been lovers with Sebastian, who married Mariana for money. In the end, it's revealed that Zoe is the killer. Tara had been one of the Maidens and soon two more of the women are found dead. Mariana gets drawn into investigating Fosca as well as the Maidens, a cult-like group of women who idolize Fosca. Zoe suspects Edward Fosca, a handsome and popular professor who Tara had been sleeping with. She goes to visit her niece Zoe at Cambridge after Zoe's friend Tara is found murdered. The one-paragraph version: Mariana is a young widow whose husband Sebastian died in a swimming accident last year.
