Hoping to put to rest years of unease concerning a past case, retired criminal investigator Benjamín begins writing a novel based on the unsolved mystery of a newlywed’s rape and murder. With the help of a former colleague, judge Irene, he attempts to make sense of the past.

Luis has just returned home after spending time in a neuropsychiatric, and Beatrice, his wife, he fears a relapse. The disappearance of the house cat and certain behaviors Beatriz Luis begins to grow increasingly suspicious of his behavior.