The Senator's Wife by Liv Constantine

Sloane lost her husband in the same accidental shooting that her current husband lost his former wife. Now they are married but all is not perfect since Sloane still has nagging doubts about former allegations of an affair from his first marriage and the DC rumor mill is working overtime. After all, Sloane has a lot of family money and her foundation at stake. Due to have hip surgery Whit has hires a caregiver which is a good thing since after the surgery Sloane's health slides downhill. Is this just the side effects from her having Lupus or is something sinister at work? Family and friends have suspicions but who is to blame? The author duo is known for their twisty plots and surprise endings and this is no exception. A whodunnit that will surprise you even when you think you have it solved and one their many fans will appreciate.  4 stars