Darla Zapien doesn't like to wear her new glasses and begins seeing things her friends don't see. Her friends warn that "La Llorona" who haunts the arroyos of New Mexico has arrived in the gully down the block.
Strange things start to happen soon after the friends wander down to the gully.
Will they find this legendary spirit who disguises herself during the day and steals children? Will someone disappear? Who is Mister Llorón?
In the summer of 1968, the friends find clues to try to solve a mystery.