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Zezé is an 8 year old boy who, although a naughty boy, has a good heart. He leads a very modest life, due to the fact that his father has been unemployed for a long time, and has the habit of having long conversations with a sweet orange tree which is in his backyard. Until one day he meets Portuga, a man who begins to help him and soon becomes his best friend.

Where do you draw the line between fact and fiction in one man's life? That's the issue confronting an art expert delving into the biography of a painter who drowned 50 years ago, whose presence suddenly makes itself felt through the appearance of a contemporary friend.