Taxi of Love(1954)

When one of the girls takes a taxi, a love story develops between her and the taxi driver. Their meetings occur many times and she asks him to propose marriage to her, but he refuses due to the difference in social level. So she resorts to the trick of disguising herself as another person and working as a singer and claiming to be her sister. They participate in singing shows and achieve success. He is in love with the singer and does not know that she is the same rich girl, but some bad guys are trying to set them up.