en Cuevana 3. Mari Leila, a seventeen-year-old girl, lives a life of agony, contempt and loneliness. Her unrequited passion for Jadson, a young man who is also seventeen years old, gives rise to a feeling of frustration and resentment. In addition to being bullied at the school where she studies, she lives in an entirely dysfunctional family. After great humiliation, she decides to take revenge on all those who belittled her. Devastating feelings motivate her to commit a series of barbaric crimes.