The Accomplice by Lisa Lutz

Owen Mann is charming, privileged, and chronically dissatisfied. Luna Grey is secretive, cautious, and pragmatic. Despite their differences, they begin forming a bond the moment they meet in college. Their names soon become indivisible–Owen and Luna, Luna and Owen–and stay that way even after an unexplained death rocks their social circle. Years later, they’re still best friends when Luna finds Owen’s wife brutally murdered. The police investigation sheds some light on long-hidden secrets, but it can’t penetrate the wall of mystery that surrounds Owen. To get to… Read more.