Astrid Johansen swore she would never return to Heron Bay, Washington. In that idyllic coastal town, her little sister, Nina, drowned in a reflecting pool under Astrid’s watch 17 years ago. Though guilt has kept her away, Astrid can’t ignore her aunt Maude’s urgent plea to come back. Maude claims to have found a letter that will change everything about the past. When Astrid arrives in Heron Bay, she finds Maude unconscious, perhaps the victim of an attack. As Maude lingers in a coma, Astrid uncovers alarming evidence that Nina’s drowning that tragic night was no accident. The ensuing investigation leads her down a trail of dark memories, lies and betrayals that will shatter her perception of everyone she thought she knew --- even herself.

Three years ago, mortuary cosmetologist Phoebe Glassman lost her husband in a tragic accident. No longer the hopeful wife and mother she once was, Phoebe is disappearing into her grief and into the quietude of her job --- restoring to the dead the illusion of life. Then the body of a woman named Pauline Steele arrives in the mortuary, and for Phoebe, everything changes. Pauline is unmistakably Phoebe’s mirror image and bears an alarmingly familiar tattoo. Even more startling is that among Pauline’s effects is a faded photograph of Phoebe. Aided by an eccentric colleague, her curiosity sparked, Phoebe investigates her doppelgänger’s life and death --- and uncovers surprising clues to a shared past.

Elise Watters seems to have it all --- a blissful marriage, a gorgeous Victorian home surrounded by lush gardens, and a dream job running her late mother’s herbal boutique. But on the eve of her first wedding anniversary, Elise makes a shocking discovery that turns her life upside down and casts doubt on everything she thought she knew --- about her marriage, her friends and even herself. As she treads into dangerous territory, Elise is forced to wonder: Is her whole future at stake? Or is paranoia getting the best of her? If she is to believe what she sees, Elise has every reason to fear for her life.

Imagine your closest friend utterly betraying you. Years later, when she seeks forgiveness, you invite her to your engagement party as a gesture of reconciliation. But seething hostilities rise to the surface, ruining everyone’s evening. After an awful night, your friend’s battered, lifeless body is found at the bottom of a rocky cliff. Newly engaged Marissa Parlette is living this nightmare. Desperate for answers, Marissa digs deep into the events of the party. But what she remembers happening after nightfall now carries sinister implications. The more she investigates, the more she questions everything she thought she knew about her friends, the man she once trusted, and even herself.

Thirty-four-year-old marine biologist Kyra Winthrop remembers nothing about the diving accident that left her with a complex form of memory loss. With only brief flashes of the last few years of her life, her world has narrowed to a few close friendships on the island where she lives with her devoted husband, Jacob. But all is not what it seems. Kyra begins to have visions --- or are they memories? --- of a rocky marriage, broken promises and cryptic relationships with the island residents, whom she believes to be her friends. As Kyra races to uncover her past, the truth becomes a terrifying nightmare.