A brilliant coastguard lieutenant, Angelo Sammarco returns to Tropea in Calabria, the city of his childhood, for a delicate investigation. He must elucidate the murder of a young woman of whom the commander in post whom he temporarily replaces is suspected. In his mission, he faces the reluctance of the team in place, but above all his memories. Orphan of mother, Angelo left Tropea at 16, after the disappearance of his father in unexplained circumstances. He reconnects with old relationships and falls in love with Margherita, a childhood friend...