A series of crimes against redheads scares the people from a little town. After the death of his brother, the 13 year old Alberto decides to investigate what is happening and is helped by the experienced but forgetful Inspector Pimentel.

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.