Another Woman (English, Paperback, Penny Vincenzi)

he night before her lavish wedding, Cressida Forrest went to bed serene and happy. By morning she had vanished–without apparent cause, and without a trace. Shocked, anxious, and uncomprehending, the two families face a long day of revelations, as a complex, fragile web of sexual, marital, and financial secrets is ripped apart by Cressida’s disappearance.
Source- Goodreads.com
E24