In true Harlan Coben style, the twists and excitement are constant so you don't want to put the book down!
Maya Stern Burkett's PTSD is constantly in her head at night. Compelled to solve the murder of her sister, Claire, Maya's own recent widowhood is a problem for Joe's ultra wealthy family. The deeper Maya digs into the conspiracy of the Burkett family the more her family is in danger.
The ending was shocking and sad but it really couldn't have ended any other way. The epilogue wrapped up the family's journey with a happy ending.