Because of a Flower(1967)

Original title: Dahil sa Isang Bulaklak

A humble provincial girl, Lily, ekes out a living selling flowers in bustling Manila when she musters the courage to present a single bloom to Miguel, a kind-hearted young architect. Their innocent romance blossoms amid family disapproval and the temptations of city life, but when a jealous rival schemes to tear them apart, Lily and Miguel must fight to protect the fragile beauty of their love “because of a flower.”