Vento del Sud: Claudia Cardinale – Renato Salvatori.

Antonio Spagara, a young Sicilian worker, has been assigned by the Mafia to murder a nobleman, Marquis Macri. But at the last minute Antonio reneges on his commitment and instead of killing the father, he flees to Palermo with Grazia, his daughter.
Vento del Sud (1960) on IMDb