Chile, 1955. The case of María Carolina Geel, a popular writer who murders her lover, captivates Mercedes, a shy secretary working for the judge assigned to defend the accused.

Augusto and Paulina have been together for 25 years. Eight years ago, he was diagnosed with Alzheimer’s disease. Both fear the day he no longer recognizes her.

When a daughter becomes concerned about her mother’s well-being in a retirement home, private investigator Romulo hires Sergio, an 83-year-old man who becomes a new resident—and a mole inside the…