Poor Millionaires(1959)

Overview:

After a series of misunderstandings and other unfortunate incidents, the honeymoon of two young couples ends sooner than planned. Back at their starting point, the ensuing conflict leads to one of the couples separating. Salvatore, who moves away, is hit in the street by a car and loses his memory: he has lost his memories of his friends and family - until he meets his wife Marisa, in which he falls in love again ...