False mermaid

Nora Gavin remains haunted by a cold case that nearly cost her sanity five years ago: her sister Tríona's brutal murder. After failing to bring the killer to justice, Nora fled to Ireland, throwing herself into her work and taking the first tentative steps in a new relationship with Irish archaeologist Cormac Maguire. She's driven home by unwelcome news: Tríona's husband—and the prime suspect in her murder—is about to remarry. Nora is determined to succeed this time, even if it means confronting unsettling secrets. As she digs ever closer to the truth, the killer zeroes in on Tríona's young…