Arquipélago Filmes

Pê, a man with terminal cancer, wanders through his city, Lisbon. Throughout the day, he is confronted with a reality unaware of his suffering while he prepares his imminent death by writing a farewell letter to his daughter. When emptying her father’s house, the daughter discovers the letter. It is the beginning of a new encounter.

I think I'll remember you, everything, but I'm not sure.