An innocent working girl finds a hole in her wall through which she can see the action in her neighboring apartment, where a prostitute meets her bizarre clients.

Liliam sustains her paraplegic mother working as a secretary for Daniel, which threatens to fire her if she doesn't submit to his desires. At night, she attracts lonely men at nightclubs and murders them violently, placing on the body a red rose and the inscription "Liliam, the dirty".

Marta, a young blind woman, visits Humberto and his family at their expansive estate. Her presence begins to fray relations between family members as she prolongs her stay.