The Younger Wife is a juicy, fast paced family drama. While marketed as a thriller, I'd call it dramatic suspense. Rachel and Tully are adult sisters whose mother has experienced early and advanced dementia. Their father, Stephen, has a new girlfriend who is younger than they are. 

The story begins with so much tension. At Stephen's wedding to the much younger Heather, the newlyweds go to sign the registry and the celebrant comes out covered in blood asking for a doctor. We then go back one year in time and slowly learn the events that led up to the wedding. 

Hepworth does such a great job with steady reveals and a fast pace, despite the actual plot moving slowly back towards the wedding day. I love how she writes relationships and the character development of the sisters Rachel and Tully was exceptional. If you read The Soulmate and felt it was a mixed bag, I definitely recommend giving Hepworth another try with this one- I think it will be a hit for many.