Alicia lives off the men she blackmails with the help of her neighbor, the young Moisés. His victims include his boss, a friend of his, Jaime, and Mr. Borrás. One day she is found dead on the landing of the stairs.

Alicia vive engañando a hombres con su belleza. Un día, intentando conseguir los afectos de un hombre rico, ella es asesinada. Hay diversos sospechosos, pero no saben quién ha podido ser.