L'Intrusa is a short story written by Julio Cortázar that tells the story of a man who is haunted by the presence of an intruder in his home. The man becomes increasingly paranoid as he searches for the intruder, convinced that she is hiding somewhere in his house.
As the story unfolds, the man's obsession with finding the intruder consumes him, leading to a series of bizarre and unsettling events. He begins to question his own sanity as he becomes more and more convinced that the intruder is real.
The story explores themes of paranoia, obsession, and the blurred line between reality and imagination. It is a chilling and thought-provoking tale that will leave readers questioning their own perceptions of reality.