When María Ángeles opts for Tangiers and arrives to the nice-enough facility, the viewer might think, Ah, it’s going to be one of those films where the hero’s resistance softens as she meets a quirky collection of fellow residents. It is not. The Moroccan director Maryam Touzani and her husband, Nabil Ayouch (“The Blue Caftan”), who wrote the script with her, have something more delicate in mind.