Paola, a young reporter working for a tabloid newspaper, investigates a series of mysterious murders involving suspicious companies, cryptic messages and grotesque methods. When a witness comes forward with new clues, Paola goes after the case, not realizing that she has become the killer's latest obsession.

Two waitresses suffering from financial problems are convinced to participate in a robbery at the home of a famous writer without knowing that they are about to walk into a cruel trap.