In a lonely Swiss mountain village, Kira's holiday erupts. It's winter, it's eerie, and out in the woods, something imbeds its claws into her sister.When Romy returns, she's different. She's violent, inhuman, and by rights, should be dead. But all their parents care about is that she's still alive. That is...until their parents disappear.In the otherworldly forest, Kira starts to pry, but secrets like to be kept. Alongside sarcastic Scotsman Callum,...