Martin, a child of the 21st century, through his telescope discovers Doctor Funes, the inventor of a formula to become young again and the envy of Doctor Moebius, who also wants to regain his youth. Martin goes to visit old Funes, but instead finds twelve year old Pablo, whom he shelters in his house without telling his parents what is going on. Pablo turns the biology teacher into a baby girl with a pacifier, and a group of the elderly into children. Martin dreams of a world of only children, but Doctor Moebius steals the formula, not knowing that its effects are unpredictable.

María es una niña a quien le fascina cocinar y vive con su abuela, doña Tere, en el centro de la Ciudad de México. Doña Tere tiene un restaurante de comida tradicional mexicana llamado El Molcajete. Tras la muerte de su hija, doña Tere abandonó su pasión por la cocina y dejó de trabajar en El Molcajete, que ahora opera bajo la dirección de la chef Rosi. María hace todo lo posible para que su abuela regrese al restaurante. Mientras tanto, la chef Rosi realiza platos siguiendo las nuevas tendencias de la cocina fusión en cual se resalta lo light. Pero María y doña Tere no aceptarán que los tradicionales sabores y los secretos de cocina sean olvidados.

Marta used to be a recognized and successful psychic, but after a dramatic experience, she loses faith in her gift and develops agoraphobia. She couldn't see the devilish side of her rapper, Mario, and now, Marta is afraid that Mario will stalk her again. As soon as she released from the asylum, she moves to Monica's uncle apartment. There, she feels safe. But soon, she has trouble with her crazy neighbors. And if this wasn't enough, a spectrum starts to haunt her, making her life impossible. Marta will have to fight against all these difficulties and manage to get her gift back before Mario finds her.