A Grande Família: O Filme (2007)

For forty years, the public functionary and family man Lineu and his beloved wife Nenê celebrate their first date going to the same ball where Lineu borrowed the jacket his competitor Carlinhos. In the present days, Lineu feels uncomfortable when his colleague Pacheco dies and goes to the doctor for health examination. When the result of his tomography arrives, his doctor says that he had seen some blur in his lungs and with that report he would give the correct diagnosis. Lineu steals the document afraid of having a tumor, but he believes he will die sooner. Meanwhile, Nenê meets Carlinhos in the supermarket where he is the manager and invites him to have dinner with her family. Lineu hides his concerns to Nenê, and his attitudes in the dinner misguide Nenê, and she believes Lineu has a lover and does not love him anymore

Source: TMDb