Katherine's newest tenant is estranged from her family and is the granddaughter of one of Katherine's friends. When her friend falls and fractures her hip, the elderly woman is taken to Hudson House nursing home, an exclusive house.

Katherine's friend becomes concerned about several recent and unexpected deaths. When she dies Katherine's curiosity and suspicions send her undercover as a nurse. Soon she's deeply involved.

Can she learn who is behind the scheme to end the lives of wealthy patients without becoming a victim?