In an American desert town circa 1955, the itinerary of a Junior Stargazer/Space Cadet convention is spectacularly disrupted by world-changing events.

Two Basque mountaineers suffer an accident in Sierra Nevada. The Civil Guard Rescue gives them, but a strong blizzard forces them to take refuge in a cave. After that night of survival, one life changed forever.

Ana and David say goodbye like any other day. The young lady has plans, but she won't be late. However, something extraordinary happens; something that alters her reality and changes everything completely.

Paco and Regina are going to get married, but they don't know that this will unleash a fight between their mothers to see who decides every detail of the wedding. Carmen, Paco's mother, is an expert in sentimental blackmail to get what she wants. While Catalina, Regina's mother, is an expert in using her contacts to pressure and extort people until her slightest whim is fulfilled. Their struggle unleashes a battle of epic proportions, where nothing will be left standing.

“El mal is basically a suspense story, where the audience senses that something disturbing is going to happen, but doesn't know how or when. But it also aims to get the viewer to question their own certainties, their capacity to love and to accept their own dark side.”