Lee Sora has survived the world changing snow storm that eliminated half of the population, claiming the lives of her mother and older brother Lee Sungyeol, leaving her to live in survivor's shelter with her monstrous father. When she can't endure it for another day, Sora breaks out and braves it alone in the outside world beyond the safety walls of the Shelter. But the world has changed and it's far more dangerous than Sora anticipated. Maybe getting kidnapped by the mysterious Lu Han is her safest option? Or what happens when she met Kris, the dangerous yet kindhearted werewolf?