Someone is killing street kids in the city, and the police have tied Ricky to the crimes. Setting out with Gabriel's help to clear Ricky's name, Olivia once again finds her own life at risk. Soon the three are tangled in a web of betrayals that threatens their uneasy equilibrium and is pushing them toward a hard choice: either they fulfill their destinies by trusting each other and staying true to their real bonds, or they succumb to the extraordinary forces trying to win an eternal war by tearing them apart.

May 20, 2019: Homicide detective Mallory is in Edinburgh to be with her dying grandmother. While out on a jog one evening, Mallory hears a woman in distress. She’s drawn to an alley, where she is attacked and loses consciousness. May 20, 1869: Housemaid Catriona Thomson had been enjoying a half-day off, only to be discovered that night in a lane, where she’d been strangled and left for dead. When Mallory wakes up in Catriona's body in 1869, she must put aside her shock and adjust quickly to the reality.

A stranger is trespassing in Celeste Turner's backyard, moving through the shadows around her shed. It could be a harmless backpacker seeking temporary refuge, but experience has taught Celeste to be extra wary. Not wishing to draw unwanted attention, she cannot turn to the police. Celeste is an outsider to this region of rural Florida, and all the locals see is a "city girl" who swooped in to secure her inheritance. But Celeste needs her new life to work, so she must confront her intruder. To her surprise, she finds out that her unwanted guest is a young backpacker named Daisy.

Sixteen-year-old werewolf twins Kate and Logan Danvers are none too thrilled at being shipped off to a supernatural youth leadership conference in West Virginia. From the moment they arrive at the camp, the twins sense something is off, and they react in their usual manner - Logan reserving judgment and surveying the setup while Kate charges forward, determined to get answers. Kate and Logan quickly ascertain that most of the conference attendees have already formed hostile factions, leaving the twins and a few other misfits to band together.

Strange things are happening in Maya's tiny Vancouver Island town. First, her friend Serena, the captain of the swim team, drowns mysteriously in the middle of a calm lake. Then, one year later, mountain lions are spotted rather frequently around Maya's home and her reactions to them are somewhat . . . unexpected. Her best friend, Daniel, has also been experiencing unexplainable premonitions about certain people and situations.