: Mediterranean Noir (a lighter, more luminous take on traditional crime fiction).
: The protagonist; Sofía's niece and a translator who arrives for a temporary stay to reflect on her life.
: Sofía's right-hand woman and secretary, described as the "soul" of Santa Rita.
: The elderly owner of Santa Rita and a successful writer who uses two different pseudonyms for mystery and romance novels.
: A retired police commissioner living at the resort who assists in the investigation.
: Includes Miguel (a blind math teacher), Reme (a mother supporting her daughter), and Nel’s group of university students. Autor Elia Barceló - Lectulandia
: Santa Rita, a former luxury spa and sanatorium turned into a transgenerational communal home for roughly 40 residents.