Lucia is a single parent to a child with Asperger's. She has a minimum wage job and a very difficult relationship with her mother, but she thinks she can deal with everything on her own. One day she receives an urgent call from the school: her son hit his head and she needs to pick him up.
Mía finds a pendant with an ancient symbol while rummaging through her recently deceased grandmother's belongings. That same night she is tormented by a nightmare in which she finds herself in the middle of a forest clearing. Her friends decide to go to Mía's grandmother's field to clear up for...