¿Dónde estará mi niño?(1981)

Overview:

Manolo is a famous singer who has a brief affair with Diana, a beautiful hitchhiker. Diana becomes pregnant and gives birth to a child, Lito, the Manolo ignores their existence. Seven years later, Diana wants her son Manolo meet and therefore decided to look for him. However, when he is suffering a great disappointment because Manolo does not remember her. One person who remembers the father Manolo, who follows that Lito is his grandson and both plan unite Manolo and Diana.