The tragic love story between Guido, the owner of a marble quarry and Luisa, the humble daughter of one of his employees, ends up in her giving birth to a baby boy. Giulio's mother is against them at first she takes her son abroad with an excuse and then has her grandson kidnapped making Luisa think the boy died in a fire.
A blind woman develops an unexpected friendship with an ex-con, not realising that he's stuck on home detention - a sitting duck with a target on his back. As their bond deepens, she finds herself entangled in his past, and hiding in plain si