Hired killer is contracted to do a hit... against his better judgement.

Mexican feature film

The English-language title of this Mexican musical was The Third Word. Singer Pedro Infante stars as a pampered young man who is sheltered by his doting aunts. Deciding that their darling boy needs an education, the ladies hire pretty schoolteacher Marga Lopez. Upon discovering that her pupil is 28 years old, Marga is momentarily nonplused, but then settles into her duties. Inevitably, romance blossoms between Pedro and Marga, much to the aunts' dismay.

A young man goes to the capital to prove himself as an opera singer, after being rejected he must find other means to achieve fame

Pedro Muñoz is a womanizer that does not escape one until Irene Garza arrives and makes him to see his luck, while the aunt of her tries to separate them.