A successful lawyer returns to her hometown in southern Italy when her younger sister goes missing.

The reason for Chiara's coldness toward her sister is revealed when Elena's ex-husband comes to town; Chiara confronts the neighbors, accusing them of leaving horrible notes around the house.

Roberto is arrested; little Stella, Marco and Giulio are increasingly shaken by gossip.

After receiving a cryptic letter, Chiara's own investigation leads to a man called Nicola Gambi, a former student and former lover of Elena's with a lingering obsession.