After the loss of 8 yr old Mia's mother, her family moves to Grandma's Montana ranch. In the woods, Mia discovers a unicorn colt- a magical creature that brings luck to anyone who believes in it.
Ji Mo is regarded as an outlier because she can see monsters. One day, she sees a monster in the supermarket and meets a monster hunter, Meng. She discovers that there really are monsters in the world, and she is involved in a new storm.