Philanthropist Sloane Montgomery is married to Sen. Whit Montgomery. She leads a well-funded nonprofit and is need of hip-replacement surgery. Her husband hires an in-home caregiver to help Sloane with her recovery, which seems to get worse as her Lupus flares up. Is her husband and the caregiver out to get her? What seems to be an obvious solution takes on crafty, twisty turns in this psychological thriller.