Innocent girl starts working as a secretary in an office. Soon she finds out a hole in the wall through which she can see the action in the next apartment, where a prostitute meets her bizarre clients.
When Marta was a child, her father killed himself after his partner Humberto ruined their wine business. 20 years later, Marta pretends to be blind and befriends Humberto, who invites her to spend a few days with his family. She knows all the members of the clan and puts into practice the plan of revenge that she had devised since her father's death relegated her and her mother to poverty.
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".
