Luisa, a young volcanologist, is sent to a villa to install the technical instruments to survey Mount Vesuvius. Here she meets Mariano, a member of the camorra, that has just discovered that he has been betrayed he decided to break off completely from those he considered his friends. Luisa and Mariano have nothing in common except for a deep sense of the failure they are experiencing and which attracts them to each other. Between the young woman, exploited and disillusioned by an ambitious colleague, and the mature ex-criminal, the spark of friendship is kindled.