Mexico City. Starved Punks & corrupt cops in a world of drugdealing & prostitution.

A gang of criminal teens take shelter from the police in a house inhabited by a nun and her niece.

On Christmas Eve, three thieves brutally murder a woman and one of her daughters, leaving behind a second half-dead daughter named Elena (Patricia Rivera). When Elena recovers, she decides to change her identity with plastic surgery and hunt down the killers, dispatching of them in gory ways that involve a chainsaw, a drill and much more. Only a cop (Roberto 'Flaco' Guzman) can stop her by following the bloody trail she leaves on her suicidal quest for revenge.

Those involved in the making of an amateur porn video end up getting slashed to death with a cane sword. It's up to the brave policewoman Eugenia aka The Scorpion (Maribel Guardia) to stop him.

Stranger with a dark past infects a small-town girl with HIV, and the contagion spreads out from there. Public health officials get involved...

One woman and a detective are looking for lost children, in México City.

Young woman's character flaws and aristocratic pretensions become an obstacle when she falls in love and decides to marry. Numerous lives are ruined.